306431464 has 8 divisors (see below), whose sum is σ = 574559010. Its totient is φ = 153215728.

The previous prime is 306431431. The next prime is 306431483. The reversal of 306431464 is 464134603.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 161036100 + 145395364 = 12690^2 + 12058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19151959 + ... + 19151974.

Almost surely, 2^306431464 is an apocalyptic number.

It is an amenable number.

306431464 is a deficient number, since it is larger than the sum of its proper divisors (268127546).

306431464 is a wasteful number, since it uses less digits than its factorization.

306431464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38303939 (or 38303935 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 306431464 is about 17505.1839179141. The cubic root of 306431464 is about 674.1829814862.

The spelling of 306431464 in words is "three hundred six million, four hundred thirty-one thousand, four hundred sixty-four".