2015385 has 8 divisors (see below), whose sum is σ = 3224640. Its totient is φ = 1074864.

The previous prime is 2015371. The next prime is 2015393. The reversal of 2015385 is 5835102.

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

It is not a de Polignac number, because 2015385 - 2¹¹ = 2013337 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67165 + ... + 67194.

It is an arithmetic number, because the mean of its divisors is an integer number (403080).

2^2015385 is an apocalyptic number.

It is an amenable number.

2015385 is a deficient number, since it is larger than the sum of its proper divisors (1209255).

2015385 is a wasteful number, since it uses less digits than its factorization.

2015385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134367.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2015385 is about 1419.6425606469. The cubic root of 2015385 is about 126.3143448757.

The spelling of 2015385 in words is "two million, fifteen thousand, three hundred eighty-five".