1399998492 has 60 divisors (see below), whose sum is σ = 3721955160. Its totient is φ = 458750304.

The previous prime is 1399998469. The next prime is 1399998497. The reversal of 1399998492 is 2948999931.

1399998492 is a `hidden beast` number, since 139 + 9 + 9 + 9 + 8 + 492 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399998497) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 17503 + ... + 55734.

It is an arithmetic number, because the mean of its divisors is an integer number (62032586).

Almost surely, 2^1399998492 is an apocalyptic number.

1399998492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1399998492 is an abundant number, since it is smaller than the sum of its proper divisors (2321956668).

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

1399998492 is a wasteful number, since it uses less digits than its factorization.

1399998492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73312 (or 73301 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 1399998492 is about 37416.5537162363. The cubic root of 1399998492 is about 1118.6885404187.

The spelling of 1399998492 in words is "one billion, three hundred ninety-nine million, nine hundred ninety-eight thousand, four hundred ninety-two".