307438132 has 24 divisors (see below), whose sum is σ = 582918336. Its totient is φ = 141310848.

The previous prime is 307438099. The next prime is 307438169. The reversal of 307438132 is 231834703.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 307438094 and 307438103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49648 + ... + 55495.

It is an arithmetic number, because the mean of its divisors is an integer number (24288264).

Almost surely, 2^307438132 is an apocalyptic number.

It is an amenable number.

307438132 is a deficient number, since it is larger than the sum of its proper divisors (275480204).

307438132 is a wasteful number, since it uses less digits than its factorization.

307438132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105207 (or 105205 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 307438132 is about 17533.9137673253. The cubic root of 307438132 is about 674.9204347003.

The spelling of 307438132 in words is "three hundred seven million, four hundred thirty-eight thousand, one hundred thirty-two".