428421364 has 24 divisors (see below), whose sum is σ = 884484608. Its totient is φ = 177685920.

The previous prime is 428421269. The next prime is 428421373. The reversal of 428421364 is 463124824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245919 + ... + 247654.

Almost surely, 2^428421364 is an apocalyptic number.

It is an amenable number.

428421364 is an abundant number, since it is smaller than the sum of its proper divisors (456063244).

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

428421364 is a wasteful number, since it uses less digits than its factorization.

428421364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493615 (or 493613 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 428421364 is about 20698.3420592085. The cubic root of 428421364 is about 753.8594324565.

The spelling of 428421364 in words is "four hundred twenty-eight million, four hundred twenty-one thousand, three hundred sixty-four".