2990216 has 8 divisors (see below), whose sum is σ = 5606670. Its totient is φ = 1495104.

The previous prime is 2990213. The next prime is 2990227. The reversal of 2990216 is 6120992.

It can be written as a sum of positive squares in only one way, i.e., 2709316 + 280900 = 1646^2 + 530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2990213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186881 + ... + 186896.

2^2990216 is an apocalyptic number.

It is an amenable number.

2990216 is a deficient number, since it is larger than the sum of its proper divisors (2616454).

2990216 is a wasteful number, since it uses less digits than its factorization.

2990216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373783 (or 373779 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2990216 is about 1729.2241034637. The cubic root of 2990216 is about 144.0679977214.

The spelling of 2990216 in words is "two million, nine hundred ninety thousand, two hundred sixteen".