308542007 has 12 divisors (see below), whose sum is σ = 326385936. Its totient is φ = 291630240.

The previous prime is 308541979. The next prime is 308542009. The reversal of 308542007 is 700245803.

It is a happy number.

It is not a de Polignac number, because 308542007 - 2⁶ = 308541943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308542009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232907 + ... + 234227.

It is an arithmetic number, because the mean of its divisors is an integer number (27198828).

Almost surely, 2^308542007 is an apocalyptic number.

308542007 is a deficient number, since it is larger than the sum of its proper divisors (17843929).

308542007 is a wasteful number, since it uses less digits than its factorization.

308542007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 308542007 is about 17565.3638447941. The cubic root of 308542007 is about 675.7272505579.

The spelling of 308542007 in words is "three hundred eight million, five hundred forty-two thousand, seven".