845098 has 4 divisors (see below), whose sum is σ = 1267650. Its totient is φ = 422548.

The previous prime is 845083. The next prime is 845099. The reversal of 845098 is 890548.

845098 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., 431649 + 413449 = 657^2 + 643^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (845099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211273 + ... + 211276.

2⁸⁴⁵⁰⁹⁸ is an apocalyptic number.

845098 is a deficient number, since it is larger than the sum of its proper divisors (422552).

845098 is a wasteful number, since it uses less digits than its factorization.

845098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422551.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 845098 is about 919.2921189698. The cubic root of 845098 is about 94.5443741471.

It can be divided in two parts, 8450 and 98, that multiplied together give a square (828100 = 910²).

The spelling of 845098 in words is "eight hundred forty-five thousand, ninety-eight".