1589431 has 2 divisors, whose sum is σ = 1589432. Its totient is φ = 1589430.

The previous prime is 1589411. The next prime is 1589443. The reversal of 1589431 is 1349851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1589431 - 2⁷ = 1589303 is a prime.

It is a super-2 number, since 2×1589431² = 5052581807522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1589393 and 1589402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1589411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794715 + 794716.

It is an arithmetic number, because the mean of its divisors is an integer number (794716).

2^1589431 is an apocalyptic number.

1589431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1589431 is an equidigital number, since it uses as much as digits as its factorization.

1589431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 1589431 is about 1260.7263779266. The cubic root of 1589431 is about 116.7026075209.

The spelling of 1589431 in words is "one million, five hundred eighty-nine thousand, four hundred thirty-one".