427397976 has 48 divisors (see below), whose sum is σ = 1158808560. Its totient is φ = 142309440.

The previous prime is 427397953. The next prime is 427397977. The reversal of 427397976 is 679793724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427397977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75981 + ... + 81411.

It is an arithmetic number, because the mean of its divisors is an integer number (24141845).

Almost surely, 2^427397976 is an apocalyptic number.

It is an amenable number.

427397976 is an abundant number, since it is smaller than the sum of its proper divisors (731410584).

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

427397976 is a wasteful number, since it uses less digits than its factorization.

427397976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536 (or 6529 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 427397976 is about 20673.6057812855. The cubic root of 427397976 is about 753.2586953664.

The spelling of 427397976 in words is "four hundred twenty-seven million, three hundred ninety-seven thousand, nine hundred seventy-six".