890432 has 14 divisors (see below), whose sum is σ = 1767078. Its totient is φ = 445184.

The previous prime is 890429. The next prime is 890437. The reversal of 890432 is 234098.

It can be written as a sum of positive squares in only one way, i.e., 802816 + 87616 = 896^2 + 296^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (890437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893 + ... + 7020.

2⁸⁹⁰⁴³² is an apocalyptic number.

It is an amenable number.

890432 is a deficient number, since it is larger than the sum of its proper divisors (876646).

890432 is a wasteful number, since it uses less digits than its factorization.

890432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925 (or 13915 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 890432 is about 943.6270449706. The cubic root of 890432 is about 96.2055779720.

The spelling of 890432 in words is "eight hundred ninety thousand, four hundred thirty-two".