2940642 has 24 divisors (see below), whose sum is σ = 6649344. Its totient is φ = 937464.

The previous prime is 2940631. The next prime is 2940667. The reversal of 2940642 is 2460492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3138 + ... + 3965.

It is an arithmetic number, because the mean of its divisors is an integer number (277056).

2^2940642 is an apocalyptic number.

2940642 is an abundant number, since it is smaller than the sum of its proper divisors (3708702).

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

2940642 is a wasteful number, since it uses less digits than its factorization.

2940642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134 (or 7131 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2940642 is about 1714.8300207309. The cubic root of 2940642 is about 143.2674019227.

The spelling of 2940642 in words is "two million, nine hundred forty thousand, six hundred forty-two".