1914864 has 80 divisors (see below), whose sum is σ = 5832960. Its totient is φ = 529920.

The previous prime is 1914853. The next prime is 1914883. The reversal of 1914864 is 4684191.

Its product of digits (6912) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13707 + ... + 13845.

It is an arithmetic number, because the mean of its divisors is an integer number (72912).

2^1914864 is an apocalyptic number.

1914864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916480).

1914864 is an abundant number, since it is smaller than the sum of its proper divisors (3918096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1914864 is a wasteful number, since it uses less digits than its factorization.

1914864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 192 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1914864 is about 1383.7861106399. The cubic root of 1914864 is about 124.1783766464.

The spelling of 1914864 in words is "one million, nine hundred fourteen thousand, eight hundred sixty-four".