427969924 has 24 divisors (see below), whose sum is σ = 782248320. Its totient is φ = 204488064.

The previous prime is 427969903. The next prime is 427969957. The reversal of 427969924 is 429969724.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 162732 + ... + 165340.

It is an arithmetic number, because the mean of its divisors is an integer number (32593680).

Almost surely, 2^427969924 is an apocalyptic number.

It is an amenable number.

427969924 is a deficient number, since it is larger than the sum of its proper divisors (354278396).

427969924 is a wasteful number, since it uses less digits than its factorization.

427969924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4417 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 427969924 is about 20687.4339636408. The cubic root of 427969924 is about 753.5945515576.

The spelling of 427969924 in words is "four hundred twenty-seven million, nine hundred sixty-nine thousand, nine hundred twenty-four".