3557957 has 12 divisors (see below), whose sum is σ = 3963780. Its totient is φ = 3189888.

The previous prime is 3557951. The next prime is 3557977. The reversal of 3557957 is 7597553.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 410881 + 3147076 = 641^2 + 1774^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3557957 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3557951) 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, 5969 + ... + 6537.

It is an arithmetic number, because the mean of its divisors is an integer number (330315).

Almost surely, 2^3557957 is an apocalyptic number.

3557957 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3557957 is a deficient number, since it is larger than the sum of its proper divisors (405823).

3557957 is a wasteful number, since it uses less digits than its factorization.

3557957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 619 counting only the distinct ones).

The product of its digits is 165375, while the sum is 41.

The square root of 3557957 is about 1886.2547547985. The cubic root of 3557957 is about 152.6629200363.

The spelling of 3557957 in words is "three million, five hundred fifty-seven thousand, nine hundred fifty-seven".