473991297 has 16 divisors (see below), whose sum is σ = 720639360. Its totient is φ = 274528512.

The previous prime is 473991277. The next prime is 473991317. The reversal of 473991297 is 792199374.

It is an interprime number because it is at equal distance from previous prime (473991277) and next prime (473991317).

It is not a de Polignac number, because 473991297 - 2⁷ = 473991169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (473991277) 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, 356797 + ... + 358122.

It is an arithmetic number, because the mean of its divisors is an integer number (45039960).

Almost surely, 2^473991297 is an apocalyptic number.

It is an amenable number.

473991297 is a deficient number, since it is larger than the sum of its proper divisors (246648063).

473991297 is a wasteful number, since it uses less digits than its factorization.

473991297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714952.

The product of its digits is 857304, while the sum is 51.

The square root of 473991297 is about 21771.3411851452. The cubic root of 473991297 is about 779.6926780756.

The spelling of 473991297 in words is "four hundred seventy-three million, nine hundred ninety-one thousand, two hundred ninety-seven".