306474402 has 96 divisors (see below), whose sum is σ = 734272128. Its totient is φ = 84784128.

The previous prime is 306474391. The next prime is 306474433. The reversal of 306474402 is 204474603.

It is a self number, because there is not a number n which added to its sum of digits gives 306474402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396088 + ... + 396860.

It is an arithmetic number, because the mean of its divisors is an integer number (7648668).

Almost surely, 2^306474402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306474402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367136064).

306474402 is an abundant number, since it is smaller than the sum of its proper divisors (427797726).

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

306474402 is a wasteful number, since it uses less digits than its factorization.

306474402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 306474402 is about 17506.4103116544. The cubic root of 306474402 is about 674.2144694590.

The spelling of 306474402 in words is "three hundred six million, four hundred seventy-four thousand, four hundred two".