985849 has 4 divisors (see below), whose sum is σ = 1028736. Its totient is φ = 942964.

The previous prime is 985819. The next prime is 985867. The reversal of 985849 is 948589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948589 = 23 ⋅41243.

It is a cyclic number.

It is not a de Polignac number, because 985849 - 2¹⁵ = 953081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21409 + ... + 21454.

It is an arithmetic number, because the mean of its divisors is an integer number (257184).

2⁹⁸⁵⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

985849 is a deficient number, since it is larger than the sum of its proper divisors (42887).

985849 is a wasteful number, since it uses less digits than its factorization.

985849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42886.

The product of its digits is 103680, while the sum is 43.

The square root of 985849 is about 992.8992899585. The cubic root of 985849 is about 99.5260573321.

It can be divided in two parts, 9 and 85849, that multiplied together give a square (772641 = 879²).

The spelling of 985849 in words is "nine hundred eighty-five thousand, eight hundred forty-nine".