662594399 has 4 divisors (see below), whose sum is σ = 678755280. Its totient is φ = 646433520.

The previous prime is 662594381. The next prime is 662594411. The reversal of 662594399 is 993495266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 662594399 - 2¹⁶ = 662528863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662594399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662594369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8080379 + ... + 8080460.

It is an arithmetic number, because the mean of its divisors is an integer number (169688820).

Almost surely, 2^662594399 is an apocalyptic number.

662594399 is a deficient number, since it is larger than the sum of its proper divisors (16160881).

662594399 is a wasteful number, since it uses less digits than its factorization.

662594399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16160880.

The product of its digits is 3149280, while the sum is 53.

The square root of 662594399 is about 25740.9090554316. The cubic root of 662594399 is about 871.7981039294.

The spelling of 662594399 in words is "six hundred sixty-two million, five hundred ninety-four thousand, three hundred ninety-nine".