985437 has 12 divisors (see below), whose sum is σ = 1432704. Its totient is φ = 652680.

The previous prime is 985433. The next prime is 985447. The reversal of 985437 is 734589.

It is not a de Polignac number, because 985437 - 2² = 985433 is a prime.

Its product of digits (30240) is a multiple of the sum of its prime factors (720).

985437 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985433) 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 in 11 ways as a sum of consecutive naturals, for example, 1762 + ... + 2252.

It is an arithmetic number, because the mean of its divisors is an integer number (119392).

2⁹⁸⁵⁴³⁷ is an apocalyptic number.

It is an amenable number.

985437 is a deficient number, since it is larger than the sum of its proper divisors (447267).

985437 is a wasteful number, since it uses less digits than its factorization.

985437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 717 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 985437 is about 992.6917950704. The cubic root of 985437 is about 99.5121909593.

The spelling of 985437 in words is "nine hundred eighty-five thousand, four hundred thirty-seven".