1385900 has 18 divisors (see below), whose sum is σ = 3007620. Its totient is φ = 554320.

The previous prime is 1385899. The next prime is 1385921. The reversal of 1385900 is 95831.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385900.

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, 6830 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (167090).

2^1385900 is an apocalyptic number.

1385900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385900 is an abundant number, since it is smaller than the sum of its proper divisors (1621720).

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

1385900 is a wasteful number, since it uses less digits than its factorization.

1385900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13873 (or 13866 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1385900 is about 1177.2425408555. The cubic root of 1385900 is about 111.4920664387.

The spelling of 1385900 in words is "one million, three hundred eighty-five thousand, nine hundred".