428265964 has 12 divisors (see below), whose sum is σ = 856531984. Its totient is φ = 183542544.

The previous prime is 428265949. The next prime is 428265967. The reversal of 428265964 is 469562824.

428265964 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (428265967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7647579 + ... + 7647634.

Almost surely, 2^428265964 is an apocalyptic number.

It is an amenable number.

428265964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428265964 is a wasteful number, since it uses less digits than its factorization.

428265964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295224 (or 15295222 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 428265964 is about 20694.5877948801. The cubic root of 428265964 is about 753.7682730413.

The spelling of 428265964 in words is "four hundred twenty-eight million, two hundred sixty-five thousand, nine hundred sixty-four".