891298 has 4 divisors (see below), whose sum is σ = 1336950. Its totient is φ = 445648.

The previous prime is 891287. The next prime is 891311. The reversal of 891298 is 892198.

891298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 717409 + 173889 = 847^2 + 417^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222823 + ... + 222826.

2⁸⁹¹²⁹⁸ is an apocalyptic number.

891298 is a deficient number, since it is larger than the sum of its proper divisors (445652).

891298 is a wasteful number, since it uses less digits than its factorization.

891298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445651.

The product of its digits is 10368, while the sum is 37.

The square root of 891298 is about 944.0858011855. The cubic root of 891298 is about 96.2367564845.

Subtracting 891298 from its reverse (892198), we obtain a square (900 = 30²).

The spelling of 891298 in words is "eight hundred ninety-one thousand, two hundred ninety-eight".