2661492 has 24 divisors (see below), whose sum is σ = 6241536. Its totient is φ = 882688.

The previous prime is 2661487. The next prime is 2661493. The reversal of 2661492 is 2941662.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661493) 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, 2653 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (260064).

2^2661492 is an apocalyptic number.

It is an amenable number.

2661492 is an abundant number, since it is smaller than the sum of its proper divisors (3580044).

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

2661492 is a wasteful number, since it uses less digits than its factorization.

2661492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1125 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 2661492 is about 1631.4079808558. The cubic root of 2661492 is about 138.5824989511.

The spelling of 2661492 in words is "two million, six hundred sixty-one thousand, four hundred ninety-two".