1393946802 has 24 divisors (see below), whose sum is σ = 3021624684. Its totient is φ = 464432544.

The previous prime is 1393946783. The next prime is 1393946881. The reversal of 1393946802 is 2086493931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1388978361 + 4968441 = 37269^2 + 2229^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24388 + ... + 58160.

Almost surely, 2^1393946802 is an apocalyptic number.

1393946802 is an abundant number, since it is smaller than the sum of its proper divisors (1627677882).

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

1393946802 is a wasteful number, since it uses less digits than its factorization.

1393946802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36074 (or 36071 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1393946802 is about 37335.5969819688. The cubic root of 1393946802 is about 1117.0743161937.

The spelling of 1393946802 in words is "one billion, three hundred ninety-three million, nine hundred forty-six thousand, eight hundred two".