1942331 has 4 divisors (see below), whose sum is σ = 1961664. Its totient is φ = 1923000.

The previous prime is 1942321. The next prime is 1942349. The reversal of 1942331 is 1332491.

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 1942331 - 2¹⁰ = 1941307 is a prime.

It is a super-2 number, since 2×1942331² = 7545299427122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1942297 and 1942306.

It is not an unprimeable number, because it can be changed into a prime (1942321) 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 3 ways as a sum of consecutive naturals, for example, 9515 + ... + 9716.

It is an arithmetic number, because the mean of its divisors is an integer number (490416).

2^1942331 is an apocalyptic number.

1942331 is a deficient number, since it is larger than the sum of its proper divisors (19333).

1942331 is a wasteful number, since it uses less digits than its factorization.

1942331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19332.

The product of its digits is 648, while the sum is 23.

The square root of 1942331 is about 1393.6753567456. The cubic root of 1942331 is about 124.7693024912.

The spelling of 1942331 in words is "one million, nine hundred forty-two thousand, three hundred thirty-one".