308812252 has 12 divisors (see below), whose sum is σ = 617624560. Its totient is φ = 132348096.

The previous prime is 308812243. The next prime is 308812253. The reversal of 308812252 is 252218803.

308812252 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308812253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5514477 + ... + 5514532.

Almost surely, 2^308812252 is an apocalyptic number.

It is an amenable number.

308812252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

308812252 is a wasteful number, since it uses less digits than its factorization.

308812252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029020 (or 11029018 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 308812252 is about 17573.0547145338. The cubic root of 308812252 is about 675.9244777505.

It can be divided in two parts, 30881 and 2252, that added together give a palindrome (33133).

The spelling of 308812252 in words is "three hundred eight million, eight hundred twelve thousand, two hundred fifty-two".