1396066572 has 36 divisors (see below), whose sum is σ = 3714681880. Its totient is φ = 440862912.

The previous prime is 1396066561. The next prime is 1396066589. The reversal of 1396066572 is 2756606931.

1396066572 is a `hidden beast` number, since 1 + 39 + 606 + 6 + 5 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019833 + ... + 1021200.

Almost surely, 2^1396066572 is an apocalyptic number.

1396066572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1396066572 is an abundant number, since it is smaller than the sum of its proper divisors (2318615308).

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

1396066572 is a wasteful number, since it uses less digits than its factorization.

1396066572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041062 (or 2041057 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 1396066572 is about 37363.9742532831. The cubic root of 1396066572 is about 1117.6402730692.

The spelling of 1396066572 in words is "one billion, three hundred ninety-six million, sixty-six thousand, five hundred seventy-two".