307842252 has 12 divisors (see below), whose sum is σ = 718298616. Its totient is φ = 102614080.

The previous prime is 307842251. The next prime is 307842253. The reversal of 307842252 is 252248703.

It is an interprime number because it is at equal distance from previous prime (307842251) and next prime (307842253).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×307842252⁴ (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (307842251) 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, 12826749 + ... + 12826772.

It is an arithmetic number, because the mean of its divisors is an integer number (59858218).

Almost surely, 2^307842252 is an apocalyptic number.

It is an amenable number.

307842252 is an abundant number, since it is smaller than the sum of its proper divisors (410456364).

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

307842252 is a wasteful number, since it uses less digits than its factorization.

307842252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25653528 (or 25653526 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 307842252 is about 17545.4339359276. The cubic root of 307842252 is about 675.2160274257.

The spelling of 307842252 in words is "three hundred seven million, eight hundred forty-two thousand, two hundred fifty-two".