2990117 has 8 divisors (see below), whose sum is σ = 3241560. Its totient is φ = 2758080.

The previous prime is 2990083. The next prime is 2990123. The reversal of 2990117 is 7110992.

It can be written as a sum of positive squares in 4 ways, for example, as 1437601 + 1552516 = 1199^2 + 1246^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2990117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2990117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (405195).

2^2990117 is an apocalyptic number.

It is an amenable number.

2990117 is a deficient number, since it is larger than the sum of its proper divisors (251443).

2990117 is an equidigital number, since it uses as much as digits as its factorization.

2990117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 2990117 is about 1729.1954776716. The cubic root of 2990117 is about 144.0664077706.

The spelling of 2990117 in words is "two million, nine hundred ninety thousand, one hundred seventeen".