308934442 has 4 divisors (see below), whose sum is σ = 463401666. Its totient is φ = 154467220.

The previous prime is 308934401. The next prime is 308934463. The reversal of 308934442 is 244439803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 280194121 + 28740321 = 16739^2 + 5361^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77233609 + ... + 77233612.

Almost surely, 2^308934442 is an apocalyptic number.

308934442 is a deficient number, since it is larger than the sum of its proper divisors (154467224).

308934442 is a wasteful number, since it uses less digits than its factorization.

308934442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154467223.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 308934442 is about 17576.5310001718. The cubic root of 308934442 is about 676.0136153205.

The spelling of 308934442 in words is "three hundred eight million, nine hundred thirty-four thousand, four hundred forty-two".