106398903 has 16 divisors (see below), whose sum is σ = 161765856. Its totient is φ = 61624320.

The previous prime is 106398863. The next prime is 106398911. The reversal of 106398903 is 309893601.

It is not a de Polignac number, because 106398903 - 2⁶ = 106398839 is a prime.

It is a super-2 number, since 2×106398903² = 22641453119206818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106398923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79578 + ... + 80903.

It is an arithmetic number, because the mean of its divisors is an integer number (10110366).

Almost surely, 2^106398903 is an apocalyptic number.

106398903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

106398903 is a deficient number, since it is larger than the sum of its proper divisors (55366953).

106398903 is a wasteful number, since it uses less digits than its factorization.

106398903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160514.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 106398903 is about 10314.9843916508. The cubic root of 106398903 is about 473.8552719138.

The spelling of 106398903 in words is "one hundred six million, three hundred ninety-eight thousand, nine hundred three".