403425864 has 48 divisors (see below), whose sum is σ = 1094737020. Its totient is φ = 134213760.

The previous prime is 403425857. The next prime is 403425887. The reversal of 403425864 is 468524304.

403425864 is a `hidden beast` number, since 40 + 34 + 2 + 586 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 402323364 + 1102500 = 20058^2 + 1050^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33774 + ... + 44130.

Almost surely, 2^403425864 is an apocalyptic number.

It is an amenable number.

403425864 is an abundant number, since it is smaller than the sum of its proper divisors (691311156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403425864 is a wasteful number, since it uses less digits than its factorization.

403425864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910 (or 10903 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 403425864 is about 20085.4639976277. The cubic root of 403425864 is about 738.9038213710.

The spelling of 403425864 in words is "four hundred three million, four hundred twenty-five thousand, eight hundred sixty-four".