1398953492 has 12 divisors (see below), whose sum is σ = 2527142016. Its totient is φ = 676912920.

The previous prime is 1398953471. The next prime is 1398953503. The reversal of 1398953492 is 2943598931.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5640818 + ... + 5641065.

It is an arithmetic number, because the mean of its divisors is an integer number (210595168).

Almost surely, 2^1398953492 is an apocalyptic number.

It is an amenable number.

1398953492 is a deficient number, since it is larger than the sum of its proper divisors (1128188524).

1398953492 is a wasteful number, since it uses less digits than its factorization.

1398953492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11281918 (or 11281916 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 1398953492 is about 37402.5867019916. The cubic root of 1398953492 is about 1118.4101304732.

The spelling of 1398953492 in words is "one billion, three hundred ninety-eight million, nine hundred fifty-three thousand, four hundred ninety-two".