308994164 has 6 divisors (see below), whose sum is σ = 540739794. Its totient is φ = 154497080.

The previous prime is 308994149. The next prime is 308994199. The reversal of 308994164 is 461499803.

It can be written as a sum of positive squares in only one way, i.e., 297838564 + 11155600 = 17258^2 + 3340^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38624267 + ... + 38624274.

It is an arithmetic number, because the mean of its divisors is an integer number (90123299).

Almost surely, 2^308994164 is an apocalyptic number.

It is an amenable number.

308994164 is a deficient number, since it is larger than the sum of its proper divisors (231745630).

308994164 is a wasteful number, since it uses less digits than its factorization.

308994164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77248545 (or 77248543 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 308994164 is about 17578.2298312430. The cubic root of 308994164 is about 676.0571739512.

The spelling of 308994164 in words is "three hundred eight million, nine hundred ninety-four thousand, one hundred sixty-four".