473321916 has 18 divisors (see below), whose sum is σ = 1196452712. Its totient is φ = 157773960.

The previous prime is 473321911. The next prime is 473321923. The reversal of 473321916 is 619123374.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×473321916² = 448067272331822112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13147831 = 473321916 / (4 + 7 + 3 + 3 + 2 + 1 + 9 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473321911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6573880 + ... + 6573951.

Almost surely, 2^473321916 is an apocalyptic number.

It is an amenable number.

473321916 is an abundant number, since it is smaller than the sum of its proper divisors (723130796).

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

473321916 is a wasteful number, since it uses less digits than its factorization.

473321916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13147841 (or 13147836 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 473321916 is about 21755.9627688595. The cubic root of 473321916 is about 779.3254720771.

The spelling of 473321916 in words is "four hundred seventy-three million, three hundred twenty-one thousand, nine hundred sixteen".