2655090 has 24 divisors (see below), whose sum is σ = 6903468. Its totient is φ = 708000.

The previous prime is 2655071. The next prime is 2655113. The reversal of 2655090 is 905562.

2655090 is a `hidden beast` number, since 2 + 655 + 0 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 40401 = 1617^2 + 201^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14661 + ... + 14840.

2^2655090 is an apocalyptic number.

2655090 is an abundant number, since it is smaller than the sum of its proper divisors (4248378).

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

2655090 is a wasteful number, since it uses less digits than its factorization.

2655090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29514 (or 29511 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2655090 is about 1629.4446906845. Note that the first 3 decimals coincide. The cubic root of 2655090 is about 138.4712934723.

The spelling of 2655090 in words is "two million, six hundred fifty-five thousand, ninety".