890471 has 4 divisors (see below), whose sum is σ = 893112. Its totient is φ = 887832.

The previous prime is 890467. The next prime is 890501. The reversal of 890471 is 174098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174098 = 2 ⋅87049.

It is a cyclic number.

It is not a de Polignac number, because 890471 - 2² = 890467 is a prime.

It is a super-3 number, since 3×890471³ = 2118266489159871333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890441) 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, 725 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (223278).

2⁸⁹⁰⁴⁷¹ is an apocalyptic number.

890471 is a deficient number, since it is larger than the sum of its proper divisors (2641).

890471 is a wasteful number, since it uses less digits than its factorization.

890471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 890471 is about 943.6477096883. The cubic root of 890471 is about 96.2069825197.

The spelling of 890471 in words is "eight hundred ninety thousand, four hundred seventy-one".