6403952 has 10 divisors (see below), whose sum is σ = 12407688. Its totient is φ = 3201968.

The previous prime is 6403939. The next prime is 6403967. The reversal of 6403952 is 2593046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200108 + ... + 200139.

Almost surely, 2^6403952 is an apocalyptic number.

It is an amenable number.

6403952 is a deficient number, since it is larger than the sum of its proper divisors (6003736).

6403952 is a wasteful number, since it uses less digits than its factorization.

6403952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400255 (or 400249 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 6403952 is about 2530.6030901744. The cubic root of 6403952 is about 185.7017612292.

Adding to 6403952 its reverse (2593046), we get a palindrome (8996998).

The spelling of 6403952 in words is "six million, four hundred three thousand, nine hundred fifty-two".