476331493 has 16 divisors (see below), whose sum is σ = 529912512. Its totient is φ = 424512000.

The previous prime is 476331487. The next prime is 476331509. The reversal of 476331493 is 394133674.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-476331493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476331413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235858 + ... + 237868.

It is an arithmetic number, because the mean of its divisors is an integer number (33119532).

Almost surely, 2^476331493 is an apocalyptic number.

It is an amenable number.

476331493 is a deficient number, since it is larger than the sum of its proper divisors (53581019).

476331493 is a wasteful number, since it uses less digits than its factorization.

476331493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436.

The product of its digits is 163296, while the sum is 40.

The square root of 476331493 is about 21825.0198854434. The cubic root of 476331493 is about 780.9737417007.

The spelling of 476331493 in words is "four hundred seventy-six million, three hundred thirty-one thousand, four hundred ninety-three".