2865898 has 8 divisors (see below), whose sum is σ = 4912992. Its totient is φ = 1228236.

The previous prime is 2865881. The next prime is 2865899. The reversal of 2865898 is 8985682.

It is a happy number.

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

It is a d-powerful number, because it can be written as 2¹⁴ + 8⁵ + 6⁵ + 5⁸ + 8⁶ + 9⁵ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2865899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102340 + ... + 102367.

It is an arithmetic number, because the mean of its divisors is an integer number (614124).

2^2865898 is an apocalyptic number.

2865898 is a deficient number, since it is larger than the sum of its proper divisors (2047094).

2865898 is a wasteful number, since it uses less digits than its factorization.

2865898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204716.

The product of its digits is 276480, while the sum is 46.

The square root of 2865898 is about 1692.8963346880. The cubic root of 2865898 is about 142.0431330980.

The spelling of 2865898 in words is "two million, eight hundred sixty-five thousand, eight hundred ninety-eight".