305497964 has 12 divisors (see below), whose sum is σ = 534787344. Its totient is φ = 152701584.

The previous prime is 305497949. The next prime is 305497967. The reversal of 305497964 is 469794503.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (305497967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5462 + ... + 25314.

It is an arithmetic number, because the mean of its divisors is an integer number (44565612).

Almost surely, 2^305497964 is an apocalyptic number.

It is an amenable number.

305497964 is a deficient number, since it is larger than the sum of its proper divisors (229289380).

305497964 is a wasteful number, since it uses less digits than its factorization.

305497964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704 (or 23702 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 305497964 is about 17478.5000500615. The cubic root of 305497964 is about 673.4976841783.

The spelling of 305497964 in words is "three hundred five million, four hundred ninety-seven thousand, nine hundred sixty-four".