393072493 has 12 divisors (see below), whose sum is σ = 435473920. Its totient is φ = 354511080.

The previous prime is 393072473. The next prime is 393072523. The reversal of 393072493 is 394270393.

It is not a de Polignac number, because 393072493 - 2²¹ = 390975341 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393072473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578 + ... + 28156.

Almost surely, 2^393072493 is an apocalyptic number.

It is an amenable number.

393072493 is a deficient number, since it is larger than the sum of its proper divisors (42401427).

393072493 is a wasteful number, since it uses less digits than its factorization.

393072493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25728 (or 25717 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 393072493 is about 19826.0559113506. The cubic root of 393072493 is about 732.5279797658.

The spelling of 393072493 in words is "three hundred ninety-three million, seventy-two thousand, four hundred ninety-three".