2942642 has 4 divisors (see below), whose sum is σ = 4413966. Its totient is φ = 1471320.

The previous prime is 2942629. The next prime is 2942657. The reversal of 2942642 is 2462492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2042041 + 900601 = 1429^2 + 949^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735659 + ... + 735662.

2^2942642 is an apocalyptic number.

2942642 is a deficient number, since it is larger than the sum of its proper divisors (1471324).

2942642 is a wasteful number, since it uses less digits than its factorization.

2942642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471323.

The product of its digits is 6912, while the sum is 29.

The square root of 2942642 is about 1715.4130697881. The cubic root of 2942642 is about 143.2998744088.

The spelling of 2942642 in words is "two million, nine hundred forty-two thousand, six hundred forty-two".