308112652 has 6 divisors (see below), whose sum is σ = 539197148. Its totient is φ = 154056324.

The previous prime is 308112613. The next prime is 308112659. The reversal of 308112652 is 256211803.

It is a self number, because there is not a number n which added to its sum of digits gives 308112652.

It is not an unprimeable number, because it can be changed into a prime (308112659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38514078 + ... + 38514085.

Almost surely, 2^308112652 is an apocalyptic number.

It is an amenable number.

308112652 is a deficient number, since it is larger than the sum of its proper divisors (231084496).

308112652 is a wasteful number, since it uses less digits than its factorization.

308112652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77028167 (or 77028165 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 308112652 is about 17553.1379530841. The cubic root of 308112652 is about 675.4136665103.

The spelling of 308112652 in words is "three hundred eight million, one hundred twelve thousand, six hundred fifty-two".