2661042 has 16 divisors (see below), whose sum is σ = 5338080. Its totient is φ = 884352.

The previous prime is 2661013. The next prime is 2661067. The reversal of 2661042 is 2401662.

It is a happy number.

It is a super-2 number, since 2×2661042² = 14162289051528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (333630).

2^2661042 is an apocalyptic number.

2661042 is an abundant number, since it is smaller than the sum of its proper divisors (2677038).

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

2661042 is a wasteful number, since it uses less digits than its factorization.

2661042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2661042 is about 1631.2700573480. The cubic root of 2661042 is about 138.5746880892.

The spelling of 2661042 in words is "two million, six hundred sixty-one thousand, forty-two".