306971064 has 48 divisors (see below), whose sum is σ = 867531600. Its totient is φ = 97874304.

The previous prime is 306971039. The next prime is 306971081. The reversal of 306971064 is 460179603.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91029 + ... + 94340.

It is an arithmetic number, because the mean of its divisors is an integer number (18073575).

Almost surely, 2^306971064 is an apocalyptic number.

It is an amenable number.

306971064 is an abundant number, since it is smaller than the sum of its proper divisors (560560536).

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

306971064 is a wasteful number, since it uses less digits than its factorization.

306971064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185404 (or 185397 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 306971064 is about 17520.5897161026. The cubic root of 306971064 is about 674.5784759160.

The spelling of 306971064 in words is "three hundred six million, nine hundred seventy-one thousand, sixty-four".