890541 has 8 divisors (see below), whose sum is σ = 1319360. Its totient is φ = 593676.

The previous prime is 890531. The next prime is 890543. The reversal of 890541 is 145098.

It is not a de Polignac number, because 890541 - 2¹¹ = 888493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 32983 = 890541 / (8 + 9 + 0 + 5 + 4 + 1).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

890541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890543) 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, 16465 + ... + 16518.

It is an arithmetic number, because the mean of its divisors is an integer number (164920).

2⁸⁹⁰⁵⁴¹ is an apocalyptic number.

It is an amenable number.

890541 is a deficient number, since it is larger than the sum of its proper divisors (428819).

890541 is a wasteful number, since it uses less digits than its factorization.

890541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32992 (or 32986 counting only the distinct ones).

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

The square root of 890541 is about 943.6847990722. The cubic root of 890541 is about 96.2095034000.

It can be divided in two parts, 890 and 541, that added together give a triangular number (1431 = T₅₃).

The spelling of 890541 in words is "eight hundred ninety thousand, five hundred forty-one".