3915285 has 32 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 1862400.

The previous prime is 3915277. The next prime is 3915293. The reversal of 3915285 is 5825193.

It is an interprime number because it is at equal distance from previous prime (3915277) and next prime (3915293).

It is not a de Polignac number, because 3915285 - 2³ = 3915277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9871 + ... + 10259.

It is an arithmetic number, because the mean of its divisors is an integer number (217620).

Almost surely, 2^3915285 is an apocalyptic number.

It is an amenable number.

3915285 is a deficient number, since it is larger than the sum of its proper divisors (3048555).

3915285 is a wasteful number, since it uses less digits than its factorization.

3915285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its digits is 10800, while the sum is 33.

The square root of 3915285 is about 1978.7079117444. The cubic root of 3915285 is about 157.6114605329.

The spelling of 3915285 in words is "three million, nine hundred fifteen thousand, two hundred eighty-five".