1385590 has 8 divisors (see below), whose sum is σ = 2494080. Its totient is φ = 554232.

The previous prime is 1385569. The next prime is 1385603. The reversal of 1385590 is 955831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69270 + ... + 69289.

It is an arithmetic number, because the mean of its divisors is an integer number (311760).

2^1385590 is an apocalyptic number.

1385590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385590 is a deficient number, since it is larger than the sum of its proper divisors (1108490).

1385590 is a wasteful number, since it uses less digits than its factorization.

1385590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138566.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1385590 is about 1177.1108698844. The cubic root of 1385590 is about 111.4837529197.

The spelling of 1385590 in words is "one million, three hundred eighty-five thousand, five hundred ninety".