2900816 has 10 divisors (see below), whose sum is σ = 5620362. Its totient is φ = 1450400.

The previous prime is 2900813. The next prime is 2900819. The reversal of 2900816 is 6180092.

It is an interprime number because it is at equal distance from previous prime (2900813) and next prime (2900819).

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 10816 = 1700^2 + 104^2 .

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90635 + ... + 90666.

2^2900816 is an apocalyptic number.

It is an amenable number.

2900816 is a deficient number, since it is larger than the sum of its proper divisors (2719546).

2900816 is a wasteful number, since it uses less digits than its factorization.

2900816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181309 (or 181303 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2900816 is about 1703.1782055909. The cubic root of 2900816 is about 142.6176887612.

It can be divided in two parts, 2900 and 816, that multiplied together give a triangular number (2366400 = T₂₁₇₅).

The spelling of 2900816 in words is "two million, nine hundred thousand, eight hundred sixteen".