998146 has 8 divisors (see below), whose sum is σ = 1576080. Its totient is φ = 472788.

The previous prime is 998117. The next prime is 998147. The reversal of 998146 is 641899.

998146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (998147) 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, 13096 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (197010).

2⁹⁹⁸¹⁴⁶ is an apocalyptic number.

998146 is a deficient number, since it is larger than the sum of its proper divisors (577934).

998146 is a wasteful number, since it uses less digits than its factorization.

998146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26288.

The product of its digits is 15552, while the sum is 37.

The square root of 998146 is about 999.0725699367. The cubic root of 998146 is about 99.9381617682.

The spelling of 998146 in words is "nine hundred ninety-eight thousand, one hundred forty-six".