423866928 has 40 divisors (see below), whose sum is σ = 1100205376. Its totient is φ = 140616000.

The previous prime is 423866923. The next prime is 423866941. The reversal of 423866928 is 829668324.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (423866923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10798 + ... + 31053.

Almost surely, 2^423866928 is an apocalyptic number.

423866928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

423866928 is an abundant number, since it is smaller than the sum of its proper divisors (676338448).

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

423866928 is a wasteful number, since it uses less digits than its factorization.

423866928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42073 (or 42067 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 423866928 is about 20588.0287545943. The cubic root of 423866928 is about 751.1785488379.

The spelling of 423866928 in words is "four hundred twenty-three million, eight hundred sixty-six thousand, nine hundred twenty-eight".