427240824 has 32 divisors (see below), whose sum is σ = 1114542720. Its totient is φ = 136221536.

The previous prime is 427240817. The next prime is 427240873. The reversal of 427240824 is 428042724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386442 + ... + 387545.

It is an arithmetic number, because the mean of its divisors is an integer number (34829460).

Almost surely, 2^427240824 is an apocalyptic number.

It is an amenable number.

427240824 is an abundant number, since it is smaller than the sum of its proper divisors (687301896).

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

427240824 is a wasteful number, since it uses less digits than its factorization.

427240824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774019 (or 774015 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 427240824 is about 20669.8046434890. The cubic root of 427240824 is about 753.1663609545.

The spelling of 427240824 in words is "four hundred twenty-seven million, two hundred forty thousand, eight hundred twenty-four".