2690530 has 16 divisors (see below), whose sum is σ = 4887864. Its totient is φ = 1066240.

The previous prime is 2690507. The next prime is 2690531. The reversal of 2690530 is 350962.

It can be written as a sum of positive squares in 4 ways, for example, as 413449 + 2277081 = 643^2 + 1509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2690495 and 2690504.

It is not an unprimeable number, because it can be changed into a prime (2690531) 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, 61 + ... + 2320.

2^2690530 is an apocalyptic number.

2690530 is a deficient number, since it is larger than the sum of its proper divisors (2197334).

2690530 is a wasteful number, since it uses less digits than its factorization.

2690530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2690530 is about 1640.2835120795. The cubic root of 2690530 is about 139.0846748714.

The spelling of 2690530 in words is "two million, six hundred ninety thousand, five hundred thirty".