2661190 has 24 divisors (see below), whose sum is σ = 5573232. Its totient is φ = 912240.

The previous prime is 2661181. The next prime is 2661199. The reversal of 2661190 is 911662.

It is an interprime number because it is at equal distance from previous prime (2661181) and next prime (2661199).

It is a super-2 number, since 2×2661190² = 14163864432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2226 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (232218).

2^2661190 is an apocalyptic number.

2661190 is an abundant number, since it is smaller than the sum of its proper divisors (2912042).

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

2661190 is a wasteful number, since it uses less digits than its factorization.

2661190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2661190 is about 1631.3154201441. The cubic root of 2661190 is about 138.5772570920.

It can be divided in two parts, 26 and 61190, that added together give a palindrome (61216).

The spelling of 2661190 in words is "two million, six hundred sixty-one thousand, one hundred ninety".