308504828 has 12 divisors (see below), whose sum is σ = 553051632. Its totient is φ = 150490080.

The previous prime is 308504827. The next prime is 308504849. The reversal of 308504828 is 828405803.

It is a junction number, because it is equal to n+sod(n) for n = 308504791 and 308504800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308504821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940400 + ... + 940727.

It is an arithmetic number, because the mean of its divisors is an integer number (46087636).

Almost surely, 2^308504828 is an apocalyptic number.

It is an amenable number.

308504828 is a deficient number, since it is larger than the sum of its proper divisors (244546804).

308504828 is a wasteful number, since it uses less digits than its factorization.

308504828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881172 (or 1881170 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 308504828 is about 17564.3055086160. The cubic root of 308504828 is about 675.7001079840.

The spelling of 308504828 in words is "three hundred eight million, five hundred four thousand, eight hundred twenty-eight".