307961696 has 48 divisors (see below), whose sum is σ = 695259936. Its totient is φ = 131536896.

The previous prime is 307961683. The next prime is 307961699. The reversal of 307961696 is 696169703.

307961696 = T₂₈₁ + T₂₈₂ + ... + T₁₂₃₁.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 307961696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307961699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68840 + ... + 73176.

It is an arithmetic number, because the mean of its divisors is an integer number (14484582).

Almost surely, 2^307961696 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 307961696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347629968).

307961696 is an abundant number, since it is smaller than the sum of its proper divisors (387298240).

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

307961696 is a wasteful number, since it uses less digits than its factorization.

307961696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4663 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 307961696 is about 17548.8374543729. The cubic root of 307961696 is about 675.3033449550.

The spelling of 307961696 in words is "three hundred seven million, nine hundred sixty-one thousand, six hundred ninety-six".