2617090 has 40 divisors (see below), whose sum is σ = 5545980. Its totient is φ = 889056.

The previous prime is 2617081. The next prime is 2617091. The reversal of 2617090 is 907162.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 2401 = 1617^2 + 49^2 .

It is not an unprimeable number, because it can be changed into a prime (2617091) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23956 + ... + 24064.

2^2617090 is an apocalyptic number.

2617090 is an abundant number, since it is smaller than the sum of its proper divisors (2928890).

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

2617090 is an equidigital number, since it uses as much as digits as its factorization.

2617090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2617090 is about 1617.7422538835. The cubic root of 2617090 is about 137.8075101074.

The spelling of 2617090 in words is "two million, six hundred seventeen thousand, ninety".