2661442 has 16 divisors (see below), whose sum is σ = 4669632. Its totient is φ = 1113840.

The previous prime is 2661427. The next prime is 2661457. The reversal of 2661442 is 2441662.

It is an interprime number because it is at equal distance from previous prime (2661427) and next prime (2661457).

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, 1609 + ... + 2812.

It is an arithmetic number, because the mean of its divisors is an integer number (291852).

2^2661442 is an apocalyptic number.

2661442 is a deficient number, since it is larger than the sum of its proper divisors (2008190).

2661442 is a wasteful number, since it uses less digits than its factorization.

2661442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473.

The product of its digits is 2304, while the sum is 25.

The square root of 2661442 is about 1631.3926565974. The cubic root of 2661442 is about 138.5816311210.

The spelling of 2661442 in words is "two million, six hundred sixty-one thousand, four hundred forty-two".