890539 has 8 divisors (see below), whose sum is σ = 975632. Its totient is φ = 807840.

The previous prime is 890531. The next prime is 890543. The reversal of 890539 is 935098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 890539 - 2³ = 890531 is a prime.

It is a Duffinian number.

890539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (890531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232 + ... + 1354.

It is an arithmetic number, because the mean of its divisors is an integer number (121954).

2⁸⁹⁰⁵³⁹ is an apocalyptic number.

890539 is a deficient number, since it is larger than the sum of its proper divisors (85093).

890539 is a wasteful number, since it uses less digits than its factorization.

890539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 890539 is about 943.6837393958. The cubic root of 890539 is about 96.2094313766.

It can be divided in two parts, 890 and 539, that multiplied together give a triangular number (479710 = T₉₇₉).

The spelling of 890539 in words is "eight hundred ninety thousand, five hundred thirty-nine".