2690208 has 36 divisors (see below), whose sum is σ = 7651098. Its totient is φ = 896640.

The previous prime is 2690201. The next prime is 2690239. The reversal of 2690208 is 8020962.

It can be written as a sum of positive squares in only one way, i.e., 2471184 + 219024 = 1572^2 + 468^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2690201) 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 in 5 ways as a sum of consecutive naturals, for example, 4383 + ... + 4958.

2^2690208 is an apocalyptic number.

It is an amenable number.

2690208 is an abundant number, since it is smaller than the sum of its proper divisors (4960890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2690208 is a wasteful number, since it uses less digits than its factorization.

2690208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9357 (or 9346 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2690208 is about 1640.1853553791. The cubic root of 2690208 is about 139.0791261441.

The spelling of 2690208 in words is "two million, six hundred ninety thousand, two hundred eight".