473399581 has 4 divisors (see below), whose sum is σ = 473444352. Its totient is φ = 473354812.

The previous prime is 473399569. The next prime is 473399587. The reversal of 473399581 is 185993374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 473399581 - 2⁷ = 473399453 is a prime.

It is a super-2 number, since 2×473399581² = 448214326581951122, 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 (473399587) 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, 3300 + ... + 30946.

It is an arithmetic number, because the mean of its divisors is an integer number (118361088).

Almost surely, 2^473399581 is an apocalyptic number.

It is an amenable number.

473399581 is a deficient number, since it is larger than the sum of its proper divisors (44771).

473399581 is a wasteful number, since it uses less digits than its factorization.

473399581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44770.

The product of its digits is 816480, while the sum is 49.

The square root of 473399581 is about 21757.7476086106. The cubic root of 473399581 is about 779.3680949381.

The spelling of 473399581 in words is "four hundred seventy-three million, three hundred ninety-nine thousand, five hundred eighty-one".