2870385 has 16 divisors (see below), whose sum is σ = 5248896. Its totient is φ = 1312128.

The previous prime is 2870353. The next prime is 2870393. The reversal of 2870385 is 5830782.

It is not a de Polignac number, because 2870385 - 2⁵ = 2870353 is a prime.

It is a super-2 number, since 2×2870385² = 16478220096450, which contains 22 as substring.

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, 13564 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (328056).

2^2870385 is an apocalyptic number.

It is an amenable number.

2870385 is a deficient number, since it is larger than the sum of its proper divisors (2378511).

2870385 is a wasteful number, since it uses less digits than its factorization.

2870385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27352.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2870385 is about 1694.2210599565. The cubic root of 2870385 is about 142.1172245003.

The spelling of 2870385 in words is "two million, eight hundred seventy thousand, three hundred eighty-five".