2861285 has 16 divisors (see below), whose sum is σ = 4060800. Its totient is φ = 1893696.

The previous prime is 2861279. The next prime is 2861291. The reversal of 2861285 is 5821682.

It is an interprime number because it is at equal distance from previous prime (2861279) and next prime (2861291).

It is not a de Polignac number, because 2861285 - 2¹⁸ = 2599141 is a prime.

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, 395 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (253800).

2^2861285 is an apocalyptic number.

It is an amenable number.

2861285 is a deficient number, since it is larger than the sum of its proper divisors (1199515).

2861285 is a wasteful number, since it uses less digits than its factorization.

2861285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its digits is 7680, while the sum is 32.

The square root of 2861285 is about 1691.5333280784. The cubic root of 2861285 is about 141.9668804595.

The spelling of 2861285 in words is "two million, eight hundred sixty-one thousand, two hundred eighty-five".