2991942 has 12 divisors (see below), whose sum is σ = 6482580. Its totient is φ = 997308.

The previous prime is 2991929. The next prime is 2991971. The reversal of 2991942 is 2491992.

It is a junction number, because it is equal to n+sod(n) for n = 2991897 and 2991906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83092 + ... + 83127.

It is an arithmetic number, because the mean of its divisors is an integer number (540215).

2^2991942 is an apocalyptic number.

2991942 is an abundant number, since it is smaller than the sum of its proper divisors (3490638).

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

2991942 is a wasteful number, since it uses less digits than its factorization.

2991942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166227 (or 166224 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 2991942 is about 1729.7230992272. The cubic root of 2991942 is about 144.0957118325.

The spelling of 2991942 in words is "two million, nine hundred ninety-one thousand, nine hundred forty-two".