1406860992 has 84 divisors (see below), whose sum is σ = 4171614720. Its totient is φ = 452777472.

The previous prime is 1406860979. The next prime is 1406860997. The reversal of 1406860992 is 2990686041.

It is a happy number.

It is a super-2 number, since 2×1406860992² = 3958515701622448128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1406860997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25408 + ... + 58815.

It is an arithmetic number, because the mean of its divisors is an integer number (49662080).

Almost surely, 2^1406860992 is an apocalyptic number.

1406860992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1406860992 is an abundant number, since it is smaller than the sum of its proper divisors (2764753728).

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

1406860992 is a wasteful number, since it uses less digits than its factorization.

1406860992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84270 (or 84257 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1406860992 is about 37508.1456753063. The cubic root of 1406860992 is about 1120.5134210684.

The spelling of 1406860992 in words is "one billion, four hundred six million, eight hundred sixty thousand, nine hundred ninety-two".