1398900 has 36 divisors (see below), whose sum is σ = 4048352. Its totient is φ = 372960.

The previous prime is 1398871. The next prime is 1398911. The reversal of 1398900 is 98931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2032 + ... + 2631.

2^1398900 is an apocalyptic number.

1398900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1398900 is an abundant number, since it is smaller than the sum of its proper divisors (2649452).

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

1398900 is a wasteful number, since it uses less digits than its factorization.

1398900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1398900 is about 1182.7510304371. The cubic root of 1398900 is about 111.8395875351.

Subtracting from 1398900 its product of nonzero digits (1944), we obtain a triangular number (1396956 = T₁₆₇₁).

The spelling of 1398900 in words is "one million, three hundred ninety-eight thousand, nine hundred".