393339960 has 96 divisors (see below), whose sum is σ = 1376706240. Its totient is φ = 96820992.

The previous prime is 393339959. The next prime is 393339967. The reversal of 393339960 is 69933393.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393339967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37344 + ... + 46703.

It is an arithmetic number, because the mean of its divisors is an integer number (14340690).

Almost surely, 2^393339960 is an apocalyptic number.

393339960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

393339960 is an abundant number, since it is smaller than the sum of its proper divisors (983366280).

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

393339960 is a wasteful number, since it uses less digits than its factorization.

393339960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84077 (or 84070 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 45.

The square root of 393339960 is about 19832.8001048768. The cubic root of 393339960 is about 732.6940921596.

The spelling of 393339960 in words is "three hundred ninety-three million, three hundred thirty-nine thousand, nine hundred sixty".