3957369 has 16 divisors (see below), whose sum is σ = 5880000. Its totient is φ = 2350656.

The previous prime is 3957341. The next prime is 3957383. The reversal of 3957369 is 9637593.

It is not a de Polignac number, because 3957369 - 2⁵ = 3957337 is a prime.

It is a super-2 number, since 2×3957369² = 31321538804322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3957369.

It is not an unprimeable number, because it can be changed into a prime (3957389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (367500).

Almost surely, 2^3957369 is an apocalyptic number.

3957369 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3957369 is a deficient number, since it is larger than the sum of its proper divisors (1922631).

3957369 is a wasteful number, since it uses less digits than its factorization.

3957369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544.

The product of its digits is 153090, while the sum is 42.

The square root of 3957369 is about 1989.3137007521. The cubic root of 3957369 is about 158.1741523627.

The spelling of 3957369 in words is "three million, nine hundred fifty-seven thousand, three hundred sixty-nine".