3929265 has 12 divisors (see below), whose sum is σ = 6810804. Its totient is φ = 2095584.

The previous prime is 3929249. The next prime is 3929267. The reversal of 3929265 is 5629293.

3929265 is a `hidden beast` number, since 392 + 9 + 265 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1147041 + 2782224 = 1071^2 + 1668^2 .

It is not a de Polignac number, because 3929265 - 2⁴ = 3929249 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3929267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43614 + ... + 43703.

It is an arithmetic number, because the mean of its divisors is an integer number (567567).

Almost surely, 2^3929265 is an apocalyptic number.

It is an amenable number.

3929265 is a deficient number, since it is larger than the sum of its proper divisors (2881539).

3929265 is a wasteful number, since it uses less digits than its factorization.

3929265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87328 (or 87325 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 3929265 is about 1982.2373722640. The cubic root of 3929265 is about 157.7988279826.

The spelling of 3929265 in words is "three million, nine hundred twenty-nine thousand, two hundred sixty-five".