1942291 has 8 divisors (see below), whose sum is σ = 2131920. Its totient is φ = 1758432.

The previous prime is 1942273. The next prime is 1942307. The reversal of 1942291 is 1922491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1942291 - 2⁷ = 1942163 is a prime.

It is a Duffinian number.

1942291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1942201) 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 7 ways as a sum of consecutive naturals, for example, 721 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (266490).

2^1942291 is an apocalyptic number.

1942291 is a deficient number, since it is larger than the sum of its proper divisors (189629).

1942291 is a wasteful number, since it uses less digits than its factorization.

1942291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its digits is 1296, while the sum is 28.

The square root of 1942291 is about 1393.6610061274. The cubic root of 1942291 is about 124.7684459935.

It can be divided in two parts, 194 and 2291, that added together give a triangular number (2485 = T₇₀).

The spelling of 1942291 in words is "one million, nine hundred forty-two thousand, two hundred ninety-one".