1398097100 has 18 divisors (see below), whose sum is σ = 3033870924. Its totient is φ = 559238800.

The previous prime is 1398097091. The next prime is 1398097147. The reversal of 1398097100 is 17908931.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6990386 + ... + 6990585.

Almost surely, 2^1398097100 is an apocalyptic number.

1398097100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1398097100 is an abundant number, since it is smaller than the sum of its proper divisors (1635773824).

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

1398097100 is a wasteful number, since it uses less digits than its factorization.

1398097100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13980985 (or 13980978 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 1398097100 is about 37391.1366502812. The cubic root of 1398097100 is about 1118.1818662733.

The spelling of 1398097100 in words is "one billion, three hundred ninety-eight million, ninety-seven thousand, one hundred".