308673490 has 16 divisors (see below), whose sum is σ = 561008448. Its totient is φ = 122270256.

The previous prime is 308673413. The next prime is 308673511. The reversal of 308673490 is 94376803.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 148812 + ... + 150871.

It is an arithmetic number, because the mean of its divisors is an integer number (35063028).

Almost surely, 2^308673490 is an apocalyptic number.

308673490 is a deficient number, since it is larger than the sum of its proper divisors (252334958).

308673490 is a wasteful number, since it uses less digits than its factorization.

308673490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299793.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 308673490 is about 17569.1061241032. The cubic root of 308673490 is about 675.8232223938.

The spelling of 308673490 in words is "three hundred eight million, six hundred seventy-three thousand, four hundred ninety".