473697831 has 4 divisors (see below), whose sum is σ = 631597112. Its totient is φ = 315798552.

The previous prime is 473697821. The next prime is 473697841. The reversal of 473697831 is 138796374.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (473697821) and next prime (473697841).

It is not a de Polignac number, because 473697831 - 2¹⁰ = 473696807 is a prime.

It is a super-2 number, since 2×473697831² = 448779270188209122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473697821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78949636 + ... + 78949641.

It is an arithmetic number, because the mean of its divisors is an integer number (157899278).

Almost surely, 2^473697831 is an apocalyptic number.

473697831 is a deficient number, since it is larger than the sum of its proper divisors (157899281).

473697831 is a wasteful number, since it uses less digits than its factorization.

473697831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157899280.

The product of its digits is 762048, while the sum is 48.

The square root of 473697831 is about 21764.6004098398. The cubic root of 473697831 is about 779.5317324130.

The spelling of 473697831 in words is "four hundred seventy-three million, six hundred ninety-seven thousand, eight hundred thirty-one".