393001990738 has 32 divisors (see below), whose sum is σ = 711413827200. Its totient is φ = 159061325184.

The previous prime is 393001990729. The next prime is 393001990741. The reversal of 393001990738 is 837099100393.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2246043 + ... + 2414686.

It is an arithmetic number, because the mean of its divisors is an integer number (22231682100).

Almost surely, 2^393001990738 is an apocalyptic number.

393001990738 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

393001990738 is a deficient number, since it is larger than the sum of its proper divisors (318411836462).

393001990738 is a wasteful number, since it uses less digits than its factorization.

393001990738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661074.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 393001990738 in words is "three hundred ninety-three billion, one million, nine hundred ninety thousand, seven hundred thirty-eight".