428940604 has 12 divisors (see below), whose sum is σ = 755685000. Its totient is φ = 213030608.

The previous prime is 428940601. The next prime is 428940613. The reversal of 428940604 is 406049824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428940601) 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, 359254 + ... + 360445.

It is an arithmetic number, because the mean of its divisors is an integer number (62973750).

Almost surely, 2^428940604 is an apocalyptic number.

It is an amenable number.

428940604 is a deficient number, since it is larger than the sum of its proper divisors (326744396).

428940604 is a wasteful number, since it uses less digits than its factorization.

428940604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719852 (or 719850 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 428940604 is about 20710.8812946238. The cubic root of 428940604 is about 754.1638647855.

The spelling of 428940604 in words is "four hundred twenty-eight million, nine hundred forty thousand, six hundred four".