305426472 has 32 divisors (see below), whose sum is σ = 822302880. Its totient is φ = 93977280.

The previous prime is 305426461. The next prime is 305426489. The reversal of 305426472 is 274624503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489154 + ... + 489777.

It is an arithmetic number, because the mean of its divisors is an integer number (25696965).

Almost surely, 2^305426472 is an apocalyptic number.

It is an amenable number.

305426472 is an abundant number, since it is smaller than the sum of its proper divisors (516876408).

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

305426472 is a wasteful number, since it uses less digits than its factorization.

305426472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978953 (or 978949 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 305426472 is about 17476.4547892300. The cubic root of 305426472 is about 673.4451432358.

The spelling of 305426472 in words is "three hundred five million, four hundred twenty-six thousand, four hundred seventy-two".