6402957 has 24 divisors (see below), whose sum is σ = 9703680. Its totient is φ = 3748800.

The previous prime is 6402953. The next prime is 6402967. The reversal of 6402957 is 7592046.

6402957 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6402957 - 2² = 6402953 is a prime.

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

It is a d-powerful number, because it can be written as 6⁶ + 4¹⁰ + 0 + 2¹⁹ + 9⁷ + 5³ + 7³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10969 + ... + 11537.

It is an arithmetic number, because the mean of its divisors is an integer number (404320).

Almost surely, 2^6402957 is an apocalyptic number.

It is an amenable number.

6402957 is a deficient number, since it is larger than the sum of its proper divisors (3300723).

6402957 is a wasteful number, since it uses less digits than its factorization.

6402957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6402957 is about 2530.4064890843. The cubic root of 6402957 is about 185.6921430631.

The spelling of 6402957 in words is "six million, four hundred two thousand, nine hundred fifty-seven".