2900863 has 16 divisors (see below), whose sum is σ = 3697920. Its totient is φ = 2215296.

The previous prime is 2900857. The next prime is 2900869. The reversal of 2900863 is 3680092.

It is an interprime number because it is at equal distance from previous prime (2900857) and next prime (2900869).

It is a cyclic number.

It is not a de Polignac number, because 2900863 - 2⁵ = 2900831 is a prime.

It is a super-2 number, since 2×2900863² = 16830012289538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (231120).

2^2900863 is an apocalyptic number.

2900863 is a deficient number, since it is larger than the sum of its proper divisors (797057).

2900863 is a wasteful number, since it uses less digits than its factorization.

2900863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2900863 is about 1703.1920032692. The cubic root of 2900863 is about 142.6184590037.

The spelling of 2900863 in words is "two million, nine hundred thousand, eight hundred sixty-three".