2620090 has 16 divisors (see below), whose sum is σ = 5145120. Its totient is φ = 952720.

The previous prime is 2620087. The next prime is 2620097. The reversal of 2620090 is 900262.

It is not an unprimeable number, because it can be changed into a prime (2620097) 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, 11800 + ... + 12019.

It is an arithmetic number, because the mean of its divisors is an integer number (321570).

2^2620090 is an apocalyptic number.

2620090 is a deficient number, since it is larger than the sum of its proper divisors (2525030).

2620090 is a wasteful number, since it uses less digits than its factorization.

2620090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23837.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2620090 is about 1618.6692064780. The cubic root of 2620090 is about 137.8601467713.

The spelling of 2620090 in words is "two million, six hundred twenty thousand, ninety".