2690536 has 8 divisors (see below), whose sum is σ = 5044770. Its totient is φ = 1345264.

The previous prime is 2690531. The next prime is 2690557. The reversal of 2690536 is 6350962.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 422500 = 1506^2 + 650^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2690498 and 2690507.

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 as a sum of consecutive naturals, namely, 168151 + ... + 168166.

2^2690536 is an apocalyptic number.

It is an amenable number.

2690536 is a deficient number, since it is larger than the sum of its proper divisors (2354234).

2690536 is a wasteful number, since it uses less digits than its factorization.

2690536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336323 (or 336319 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 2690536 is about 1640.2853410306. The cubic root of 2690536 is about 139.0847782597.

The spelling of 2690536 in words is "two million, six hundred ninety thousand, five hundred thirty-six".