6423957 has 12 divisors (see below), whose sum is σ = 9767680. Its totient is φ = 4057128.

The previous prime is 6423953. The next prime is 6423997. The reversal of 6423957 is 7593246.

6423957 is a `hidden beast` number, since 642 + 3 + 9 + 5 + 7 = 666.

It is not a de Polignac number, because 6423957 - 2² = 6423953 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 (6423953) 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, 18613 + ... + 18954.

Almost surely, 2^6423957 is an apocalyptic number.

It is an amenable number.

6423957 is a deficient number, since it is larger than the sum of its proper divisors (3343723).

6423957 is a wasteful number, since it uses less digits than its factorization.

6423957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37592 (or 37589 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 6423957 is about 2534.5526232454. The cubic root of 6423957 is about 185.8949285161.

The spelling of 6423957 in words is "six million, four hundred twenty-three thousand, nine hundred fifty-seven".