1393365966 has 16 divisors (see below), whose sum is σ = 2812299600. Its totient is φ = 460194048.

The previous prime is 1393365949. The next prime is 1393365973. The reversal of 1393365966 is 6695633931.

It is a super-2 number, since 2×1393365966² = 3882937430414226312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064611 + ... + 1065918.

It is an arithmetic number, because the mean of its divisors is an integer number (175768725).

Almost surely, 2^1393365966 is an apocalyptic number.

1393365966 is an abundant number, since it is smaller than the sum of its proper divisors (1418933634).

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

1393365966 is a wasteful number, since it uses less digits than its factorization.

1393365966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130643.

The product of its digits is 2361960, while the sum is 51.

The square root of 1393365966 is about 37327.8175895672. The cubic root of 1393365966 is about 1116.9191387944.

The spelling of 1393365966 in words is "one billion, three hundred ninety-three million, three hundred sixty-five thousand, nine hundred sixty-six".