399098 has 16 divisors (see below), whose sum is σ = 708480. Its totient is φ = 164976.

The previous prime is 399097. The next prime is 399101. The reversal of 399098 is 890993.

399098 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (399097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2³⁹⁹⁰⁹⁸ is an apocalyptic number.

399098 is a deficient number, since it is larger than the sum of its proper divisors (309382).

399098 is a wasteful number, since it uses less digits than its factorization.

399098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 399098 is about 631.7420359609. The cubic root of 399098 is about 73.6252050173.

The spelling of 399098 in words is "three hundred ninety-nine thousand, ninety-eight".