1704431 has 2 divisors, whose sum is σ = 1704432. Its totient is φ = 1704430.

The previous prime is 1704421. The next prime is 1704449. The reversal of 1704431 is 1344071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1704431 - 2¹⁴ = 1688047 is a prime.

It is a super-2 number, since 2×1704431² = 5810170067522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1704421) 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 as a sum of consecutive naturals, namely, 852215 + 852216.

It is an arithmetic number, because the mean of its divisors is an integer number (852216).

2^1704431 is an apocalyptic number.

1704431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1704431 is an equidigital number, since it uses as much as digits as its factorization.

1704431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1704431 is about 1305.5385861781. The cubic root of 1704431 is about 119.4519218603.

The spelling of 1704431 in words is "one million, seven hundred four thousand, four hundred thirty-one".