307693332 has 36 divisors (see below), whose sum is σ = 798804916. Its totient is φ = 99792000.

The previous prime is 307693313. The next prime is 307693343. The reversal of 307693332 is 233396703.

It can be written as a sum of positive squares in 2 ways, for example, as 117418896 + 190274436 = 10836^2 + 13794^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114169 + ... + 116832.

Almost surely, 2^307693332 is an apocalyptic number.

It is an amenable number.

307693332 is an abundant number, since it is smaller than the sum of its proper divisors (491111584).

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

307693332 is a wasteful number, since it uses less digits than its factorization.

307693332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231048 (or 231043 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 36.

The square root of 307693332 is about 17541.1895833777. The cubic root of 307693332 is about 675.1071303214.

It can be divided in two parts, 307693 and 332, that added together give a square (308025 = 555²).

The spelling of 307693332 in words is "three hundred seven million, six hundred ninety-three thousand, three hundred thirty-two".