1385580 has 48 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 316608.

The previous prime is 1385569. The next prime is 1385603. The reversal of 1385580 is 855831.

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 15 ways as a sum of consecutive naturals, for example, 1230 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2^1385580 is an apocalyptic number.

1385580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385580 is an abundant number, since it is smaller than the sum of its proper divisors (3049620).

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

1385580 is a wasteful number, since it uses less digits than its factorization.

1385580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1385580 is about 1177.1066221885. The cubic root of 1385580 is about 111.4834847210.

The spelling of 1385580 in words is "one million, three hundred eighty-five thousand, five hundred eighty".