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3924361 = 722832
BaseRepresentation
bin1110111110000110001001
321101101012201
432332012021
52001034421
6220040201
745233200
oct16760611
97341181
103924361
112240481
121393061
13a7530c
14742237
15527b91
hex3be189

3924361 has 9 divisors (see below), whose sum is σ = 4581261. Its totient is φ = 3351852.

The previous prime is 3924353. The next prime is 3924409. The reversal of 3924361 is 1634293.

The square root of 3924361 is 1981.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3924361 - 23 = 3924353 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3924311) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13726 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (509029).

Almost surely, 23924361 is an apocalyptic number.

3924361 is the 1981-st square number.

3924361 is the 991-st centered octagonal number.

It is an amenable number.

3924361 is a deficient number, since it is larger than the sum of its proper divisors (656900).

3924361 is an frugal number, since it uses more digits than its factorization.

3924361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 290 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The cubic root of 3924361 is about 157.7331526283.

It can be divided in two parts, 39243 and 61, that added together give a cube (39304 = 343).

The spelling of 3924361 in words is "three million, nine hundred twenty-four thousand, three hundred sixty-one".

Divisors: 1 7 49 283 1981 13867 80089 560623 3924361