985401 has 12 divisors (see below), whose sum is σ = 1438528. Its totient is φ = 649944.

The previous prime is 985399. The next prime is 985403. The reversal of 985401 is 104589.

985401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (985399) and next prime (985403).

It is not a de Polignac number, because 985401 - 2¹ = 985399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396 + ... + 1458.

2⁹⁸⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

985401 is a deficient number, since it is larger than the sum of its proper divisors (453127).

985401 is a wasteful number, since it uses less digits than its factorization.

985401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 985401 is about 992.6736623886. The cubic root of 985401 is about 99.5109791509.

The spelling of 985401 in words is "nine hundred eighty-five thousand, four hundred one".