1842431 has 2 divisors, whose sum is σ = 1842432. Its totient is φ = 1842430.

The previous prime is 1842419. The next prime is 1842469. The reversal of 1842431 is 1342481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1842431 - 2¹⁴ = 1826047 is a prime.

It is a super-2 number, since 2×1842431² = 6789103979522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1842397 and 1842406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1842481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921215 + 921216.

It is an arithmetic number, because the mean of its divisors is an integer number (921216).

2^1842431 is an apocalyptic number.

1842431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842431 is an equidigital number, since it uses as much as digits as its factorization.

1842431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 1842431 is about 1357.3617793352. The cubic root of 1842431 is about 122.5924555393.

The spelling of 1842431 in words is "one million, eight hundred forty-two thousand, four hundred thirty-one".