406520793 has 12 divisors (see below), whose sum is σ = 671082048. Its totient is φ = 232297560.

The previous prime is 406520767. The next prime is 406520809. The reversal of 406520793 is 397025604.

406520793 is a `hidden beast` number, since 40 + 6 + 520 + 7 + 93 = 666.

It is not a de Polignac number, because 406520793 - 2⁸ = 406520537 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (406520893) 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, 3226293 + ... + 3226418.

It is an arithmetic number, because the mean of its divisors is an integer number (55923504).

Almost surely, 2^406520793 is an apocalyptic number.

It is an amenable number.

406520793 is a deficient number, since it is larger than the sum of its proper divisors (264561255).

406520793 is a wasteful number, since it uses less digits than its factorization.

406520793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452724 (or 6452721 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 406520793 is about 20162.3607992715. The cubic root of 406520793 is about 740.7885391569.

The spelling of 406520793 in words is "four hundred six million, five hundred twenty thousand, seven hundred ninety-three".