303149470 has 64 divisors (see below), whose sum is σ = 612541440. Its totient is φ = 107251200.

The previous prime is 303149459. The next prime is 303149471. The reversal of 303149470 is 74941303.

It is a super-2 number, since 2×303149470² = 183799202322561800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303149471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719860 + ... + 720280.

It is an arithmetic number, because the mean of its divisors is an integer number (9570960).

Almost surely, 2^303149470 is an apocalyptic number.

303149470 is an abundant number, since it is smaller than the sum of its proper divisors (309391970).

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

303149470 is a wasteful number, since it uses less digits than its factorization.

303149470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 303149470 is about 17411.1880697441. The cubic root of 303149470 is about 671.7674208719.

The spelling of 303149470 in words is "three hundred three million, one hundred forty-nine thousand, four hundred seventy".