393342132 has 24 divisors (see below), whose sum is σ = 918794016. Its totient is φ = 130971808.

The previous prime is 393342127. The next prime is 393342139. The reversal of 393342132 is 231243393.

It is a self number, because there is not a number n which added to its sum of digits gives 393342132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393342139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5943 + ... + 28670.

It is an arithmetic number, because the mean of its divisors is an integer number (38283084).

Almost surely, 2^393342132 is an apocalyptic number.

It is an amenable number.

393342132 is an abundant number, since it is smaller than the sum of its proper divisors (525451884).

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

393342132 is a wasteful number, since it uses less digits than its factorization.

393342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35567 (or 35565 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

The square root of 393342132 is about 19832.8548625759. The cubic root of 393342132 is about 732.6954407883.

The spelling of 393342132 in words is "three hundred ninety-three million, three hundred forty-two thousand, one hundred thirty-two".