306993396 has 48 divisors (see below), whose sum is σ = 728179200. Its totient is φ = 100649472.

The previous prime is 306993389. The next prime is 306993433. The reversal of 306993396 is 693399603.

It is a super-2 number, since 2×306993396² = 188489890375225632, which contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 237520 + ... + 238808.

It is an arithmetic number, because the mean of its divisors is an integer number (15170400).

Almost surely, 2^306993396 is an apocalyptic number.

It is an amenable number.

306993396 is an abundant number, since it is smaller than the sum of its proper divisors (421185804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306993396 is a wasteful number, since it uses less digits than its factorization.

306993396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 48.

The square root of 306993396 is about 17521.2270118277. The cubic root of 306993396 is about 674.5948339413.

The spelling of 306993396 in words is "three hundred six million, nine hundred ninety-three thousand, three hundred ninety-six".