1942431 has 4 divisors (see below), whose sum is σ = 2589912. Its totient is φ = 1294952.

The previous prime is 1942417. The next prime is 1942433. The reversal of 1942431 is 1342491.

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 1942431 - 2⁵ = 1942399 is a prime.

It is a super-2 number, since 2×1942431² = 7546076379522, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323736 + ... + 323741.

It is an arithmetic number, because the mean of its divisors is an integer number (647478).

2^1942431 is an apocalyptic number.

1942431 is a deficient number, since it is larger than the sum of its proper divisors (647481).

1942431 is an equidigital number, since it uses as much as digits as its factorization.

1942431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647480.

The product of its digits is 864, while the sum is 24.

The square root of 1942431 is about 1393.7112326447. The cubic root of 1942431 is about 124.7714436841.

The spelling of 1942431 in words is "one million, nine hundred forty-two thousand, four hundred thirty-one".