3918357 has 12 divisors (see below), whose sum is σ = 5696704. Its totient is φ = 2595240.

The previous prime is 3918353. The next prime is 3918359. The reversal of 3918357 is 7538193.

It is not a de Polignac number, because 3918357 - 2² = 3918353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918353) 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, 132 + ... + 2802.

Almost surely, 2^3918357 is an apocalyptic number.

It is an amenable number.

3918357 is a deficient number, since it is larger than the sum of its proper divisors (1778347).

3918357 is a wasteful number, since it uses less digits than its factorization.

3918357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2837 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3918357 is about 1979.4840236789. The cubic root of 3918357 is about 157.6526713115.

The spelling of 3918357 in words is "three million, nine hundred eighteen thousand, three hundred fifty-seven".