103998406 has 8 divisors (see below), whose sum is σ = 156273480. Its totient is φ = 51907248.

The previous prime is 103998403. The next prime is 103998407. The reversal of 103998406 is 604899301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103998403) 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, 44556 + ... + 46831.

It is an arithmetic number, because the mean of its divisors is an integer number (19534185).

Almost surely, 2^103998406 is an apocalyptic number.

103998406 is a deficient number, since it is larger than the sum of its proper divisors (52275074).

103998406 is an equidigital number, since it uses as much as digits as its factorization.

103998406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91958.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 103998406 is about 10197.9608746063. The cubic root of 103998406 is about 470.2645349502.

The spelling of 103998406 in words is "one hundred three million, nine hundred ninety-eight thousand, four hundred six".