1408813992 has 32 divisors (see below), whose sum is σ = 3913372800. Its totient is φ = 469604592.

The previous prime is 1408813949. The next prime is 1408813999. The reversal of 1408813992 is 2993188041.

It is not an unprimeable number, because it can be changed into a prime (1408813999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260928 + ... + 3261359.

It is an arithmetic number, because the mean of its divisors is an integer number (122292900).

Almost surely, 2^1408813992 is an apocalyptic number.

1408813992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1408813992 is an abundant number, since it is smaller than the sum of its proper divisors (2504558808).

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

1408813992 is a wasteful number, since it uses less digits than its factorization.

1408813992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522302 (or 6522292 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1408813992 is about 37534.1709912448. The cubic root of 1408813992 is about 1121.0316790621.

The spelling of 1408813992 in words is "one billion, four hundred eight million, eight hundred thirteen thousand, nine hundred ninety-two".