2691652 has 6 divisors (see below), whose sum is σ = 4710398. Its totient is φ = 1345824.

The previous prime is 2691641. The next prime is 2691659. The reversal of 2691652 is 2561962.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 1012036 = 1296^2 + 1006^2 .

It is not an unprimeable number, because it can be changed into a prime (2691659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336453 + ... + 336460.

2^2691652 is an apocalyptic number.

It is an amenable number.

2691652 is a deficient number, since it is larger than the sum of its proper divisors (2018746).

2691652 is a wasteful number, since it uses less digits than its factorization.

2691652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672917 (or 672915 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 2691652 is about 1640.6254904761. The cubic root of 2691652 is about 139.1040057985.

The spelling of 2691652 in words is "two million, six hundred ninety-one thousand, six hundred fifty-two".