2859890 has 16 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 1039920.

The previous prime is 2859877. The next prime is 2859919. The reversal of 2859890 is 989582.

It is a happy number.

It is a congruent 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, 12890 + ... + 13109.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

2^2859890 is an apocalyptic number.

2859890 is a deficient number, since it is larger than the sum of its proper divisors (2756110).

2859890 is a wasteful number, since it uses less digits than its factorization.

2859890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26017.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2859890 is about 1691.1209300343. The cubic root of 2859890 is about 141.9438050473.

The spelling of 2859890 in words is "two million, eight hundred fifty-nine thousand, eight hundred ninety".