1379800 has 24 divisors (see below), whose sum is σ = 3208500. Its totient is φ = 551840.

The previous prime is 1379797. The next prime is 1379801. The reversal of 1379800 is 89731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3250 + ... + 3649.

2^1379800 is an apocalyptic number.

1379800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379800 is an abundant number, since it is smaller than the sum of its proper divisors (1828700).

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

1379800 is a wasteful number, since it uses less digits than its factorization.

1379800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915 (or 6906 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1379800 is about 1174.6488837095. The cubic root of 1379800 is about 111.3282494561.

The spelling of 1379800 in words is "one million, three hundred seventy-nine thousand, eight hundred".