662976 has 42 divisors (see below), whose sum is σ = 1901952. Its totient is φ = 220800.

The previous prime is 662957. The next prime is 662999. The reversal of 662976 is 679266.

662976 is a nontrivial binomial coefficient, being equal to C(1152, 2).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 662976.

It is a congruent number.

It is an unprimeable number.

662976 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1 + ... + 1151.

2⁶⁶²⁹⁷⁶ is an apocalyptic number.

662976 is the 1151-st triangular number and also the 576-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950976).

662976 is an abundant number, since it is smaller than the sum of its proper divisors (1238976).

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

662976 is a wasteful number, since it uses less digits than its factorization.

662976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1156 counting only the distinct ones).

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

The square root of 662976 is about 814.2333817770. The cubic root of 662976 is about 87.1965433638.

Subtracting 662976 from its reverse (679266), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 662976 in words is "six hundred sixty-two thousand, nine hundred seventy-six".