473518986 has 96 divisors (see below), whose sum is σ = 1086455808. Its totient is φ = 137153280.

The previous prime is 473518979. The next prime is 473518993. The reversal of 473518986 is 689815374.

It is an interprime number because it is at equal distance from previous prime (473518979) and next prime (473518993).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1236151 + ... + 1236533.

It is an arithmetic number, because the mean of its divisors is an integer number (11317248).

Almost surely, 2^473518986 is an apocalyptic number.

473518986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

473518986 is an abundant number, since it is smaller than the sum of its proper divisors (612936822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

473518986 is a wasteful number, since it uses less digits than its factorization.

473518986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 459 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 473518986 is about 21760.4914007014. The cubic root of 473518986 is about 779.4336157849.

The spelling of 473518986 in words is "four hundred seventy-three million, five hundred eighteen thousand, nine hundred eighty-six".