1942279 has 4 divisors (see below), whose sum is σ = 1952640. Its totient is φ = 1931920.

The previous prime is 1942273. The next prime is 1942307. The reversal of 1942279 is 9722491.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1942279 - 2⁷ = 1942151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4894 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (488160).

2^1942279 is an apocalyptic number.

1942279 is a deficient number, since it is larger than the sum of its proper divisors (10361).

1942279 is a wasteful number, since it uses less digits than its factorization.

1942279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10360.

The product of its digits is 9072, while the sum is 34.

The square root of 1942279 is about 1393.6567009131. The cubic root of 1942279 is about 124.7681890418.

The spelling of 1942279 in words is "one million, nine hundred forty-two thousand, two hundred seventy-nine".