308499994804 has 24 divisors (see below), whose sum is σ = 548779204008. Its totient is φ = 151706432640.

The previous prime is 308499994799. The next prime is 308499994811. The reversal of 308499994804 is 408499994803.

It can be written as a sum of positive squares in 4 ways, for example, as 8960515600 + 299539479204 = 94660^2 + 547302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 308499994804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679594 + ... + 2792350.

It is an arithmetic number, because the mean of its divisors is an integer number (22865800167).

Almost surely, 2^308499994804 is an apocalyptic number.

It is an amenable number.

308499994804 is a deficient number, since it is larger than the sum of its proper divisors (240279209204).

308499994804 is a wasteful number, since it uses less digits than its factorization.

308499994804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124035 (or 124033 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 67.

Subtracting 308499994804 from its reverse (408499994803), we obtain a palindrome (99999999999).

The spelling of 308499994804 in words is "three hundred eight billion, four hundred ninety-nine million, nine hundred ninety-four thousand, eight hundred four".