307345836 has 96 divisors (see below), whose sum is σ = 846720000. Its totient is φ = 86722944.

The previous prime is 307345823. The next prime is 307345847. The reversal of 307345836 is 638543703.

It is a super-2 number, since 2×307345836² = 188922925813077792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 307345794 and 307345803.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365905 + ... + 366743.

It is an arithmetic number, because the mean of its divisors is an integer number (8820000).

Almost surely, 2^307345836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307345836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423360000).

307345836 is an abundant number, since it is smaller than the sum of its proper divisors (539374164).

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

307345836 is a wasteful number, since it uses less digits than its factorization.

307345836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 307345836 is about 17531.2816416827. The cubic root of 307345836 is about 674.8528886538.

The spelling of 307345836 in words is "three hundred seven million, three hundred forty-five thousand, eight hundred thirty-six".