816472 has 8 divisors (see below), whose sum is σ = 1530900. Its totient is φ = 408232.

The previous prime is 816469. The next prime is 816499. The reversal of 816472 is 274618.

816472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 816472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51022 + ... + 51037.

2⁸¹⁶⁴⁷² is an apocalyptic number.

It is an amenable number.

816472 is a deficient number, since it is larger than the sum of its proper divisors (714428).

816472 is a wasteful number, since it uses less digits than its factorization.

816472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102065 (or 102061 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 816472 is about 903.5884018733. The cubic root of 816472 is about 93.4645885711.

The spelling of 816472 in words is "eight hundred sixteen thousand, four hundred seventy-two".