890478 has 24 divisors (see below), whose sum is σ = 1963416. Its totient is φ = 291600.

The previous prime is 890467. The next prime is 890501. The reversal of 890478 is 874098.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (81809).

2⁸⁹⁰⁴⁷⁸ is an apocalyptic number.

890478 is an abundant number, since it is smaller than the sum of its proper divisors (1072938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

890478 is a wasteful number, since it uses less digits than its factorization.

890478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 890478 is about 943.6514186923. The cubic root of 890478 is about 96.2072346137.

The spelling of 890478 in words is "eight hundred ninety thousand, four hundred seventy-eight".