1393627992 has 64 divisors (see below), whose sum is σ = 3525984000. Its totient is φ = 458989440.

The previous prime is 1393627931. The next prime is 1393627999. The reversal of 1393627992 is 2997263931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393627999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753613 + ... + 755459.

It is an arithmetic number, because the mean of its divisors is an integer number (55093500).

Almost surely, 2^1393627992 is an apocalyptic number.

1393627992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1393627992 is an abundant number, since it is smaller than the sum of its proper divisors (2132356008).

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

1393627992 is a wasteful number, since it uses less digits than its factorization.

1393627992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2212 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 51.

The square root of 1393627992 is about 37331.3272199101. The cubic root of 1393627992 is about 1116.9891475641.

The spelling of 1393627992 in words is "one billion, three hundred ninety-three million, six hundred twenty-seven thousand, nine hundred ninety-two".