2991442 has 12 divisors (see below), whose sum is σ = 4620798. Its totient is φ = 1451600.

The previous prime is 2991433. The next prime is 2991451. The reversal of 2991442 is 2441992.

It is a happy number.

2991442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2991433) and next prime (2991451).

It can be written as a sum of positive squares in only one way, i.e., 2954961 + 36481 = 1719^2 + 191^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15567 + ... + 15757.

2^2991442 is an apocalyptic number.

2991442 is a deficient number, since it is larger than the sum of its proper divisors (1629356).

2991442 is an equidigital number, since it uses as much as digits as its factorization.

2991442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 234 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 2991442 is about 1729.5785613842. The cubic root of 2991442 is about 144.0876845078.

The spelling of 2991442 in words is "two million, nine hundred ninety-one thousand, four hundred forty-two".