2990402 has 16 divisors (see below), whose sum is σ = 4781592. Its totient is φ = 1397760.

The previous prime is 2990401. The next prime is 2990423. The reversal of 2990402 is 2040992.

It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 707281 = 1511^2 + 841^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990401) 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, 9398 + ... + 9710.

2^2990402 is an apocalyptic number.

2990402 is a deficient number, since it is larger than the sum of its proper divisors (1791190).

2990402 is a wasteful number, since it uses less digits than its factorization.

2990402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2990402 is about 1729.2778839735. The cubic root of 2990402 is about 144.0709848068.

The spelling of 2990402 in words is "two million, nine hundred ninety thousand, four hundred two".