3920265 has 32 divisors (see below), whose sum is σ = 7084800. Its totient is φ = 2056320.

The previous prime is 3920263. The next prime is 3920269. The reversal of 3920265 is 5620293.

It is not a de Polignac number, because 3920265 - 2¹ = 3920263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9381 + ... + 9789.

It is an arithmetic number, because the mean of its divisors is an integer number (221400).

Almost surely, 2^3920265 is an apocalyptic number.

It is an amenable number.

3920265 is a deficient number, since it is larger than the sum of its proper divisors (3164535).

3920265 is a wasteful number, since it uses less digits than its factorization.

3920265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3920265 is about 1979.9659087974. The cubic root of 3920265 is about 157.6782562260.

The spelling of 3920265 in words is "three million, nine hundred twenty thousand, two hundred sixty-five".