1399788700 has 36 divisors (see below), whose sum is σ = 3040711632. Its totient is φ = 559331200.

The previous prime is 1399788679. The next prime is 1399788713. The reversal of 1399788700 is 78879931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96312 + ... + 109888.

It is an arithmetic number, because the mean of its divisors is an integer number (84464212).

Almost surely, 2^1399788700 is an apocalyptic number.

1399788700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1399788700 is an abundant number, since it is smaller than the sum of its proper divisors (1640922932).

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

1399788700 is a wasteful number, since it uses less digits than its factorization.

1399788700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14622 (or 14615 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 1399788700 is about 37413.7501461695. The cubic root of 1399788700 is about 1118.6326585417.

The spelling of 1399788700 in words is "one billion, three hundred ninety-nine million, seven hundred eighty-eight thousand, seven hundred".