4931409 has 12 divisors (see below), whose sum is σ = 7648944. Its totient is φ = 2817864.

The previous prime is 4931389. The next prime is 4931441. The reversal of 4931409 is 9041394.

It is not a de Polignac number, because 4931409 - 2⁸ = 4931153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4931489) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16627 + ... + 16920.

It is an arithmetic number, because the mean of its divisors is an integer number (637412).

Almost surely, 2^4931409 is an apocalyptic number.

4931409 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4931409 is a deficient number, since it is larger than the sum of its proper divisors (2717535).

4931409 is a wasteful number, since it uses less digits than its factorization.

4931409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33564 (or 33557 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4931409 is about 2220.6775992926. The cubic root of 4931409 is about 170.2120652240.

The spelling of 4931409 in words is "four million, nine hundred thirty-one thousand, four hundred nine".