424724394 has 32 divisors (see below), whose sum is σ = 895547520. Its totient is φ = 134019072.

The previous prime is 424724359. The next prime is 424724441. The reversal of 424724394 is 493427424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479 + ... + 29250.

It is an arithmetic number, because the mean of its divisors is an integer number (27985860).

Almost surely, 2^424724394 is an apocalyptic number.

424724394 is an abundant number, since it is smaller than the sum of its proper divisors (470823126).

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

424724394 is a wasteful number, since it uses less digits than its factorization.

424724394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31854.

The product of its digits is 193536, while the sum is 39.

The square root of 424724394 is about 20608.8426167022. The cubic root of 424724394 is about 751.6847424678.

The spelling of 424724394 in words is "four hundred twenty-four million, seven hundred twenty-four thousand, three hundred ninety-four".