1942942 has 16 divisors (see below), whose sum is σ = 3049200. Its totient is φ = 927360.

The previous prime is 1942939. The next prime is 1942943. The reversal of 1942942 is 2492491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7942 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (190575).

2^1942942 is an apocalyptic number.

1942942 is a deficient number, since it is larger than the sum of its proper divisors (1106258).

1942942 is a wasteful number, since it uses less digits than its factorization.

1942942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

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

The square root of 1942942 is about 1393.8945440743. The cubic root of 1942942 is about 124.7823840328.

It can be divided in two parts, 194 and 2942, that added together give a square (3136 = 56²).

The spelling of 1942942 in words is "one million, nine hundred forty-two thousand, nine hundred forty-two".