106868390 has 16 divisors (see below), whose sum is σ = 194162832. Its totient is φ = 42347424.

The previous prime is 106868389. The next prime is 106868431. The reversal of 106868390 is 93868601.

It is a happy number.

It is a super-2 number, since 2×106868390² = 22841705562384200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48869 + ... + 51008.

It is an arithmetic number, because the mean of its divisors is an integer number (12135177).

Almost surely, 2^106868390 is an apocalyptic number.

106868390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106868390 is a deficient number, since it is larger than the sum of its proper divisors (87294442).

106868390 is a wasteful number, since it uses less digits than its factorization.

106868390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99991.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 106868390 is about 10337.7168659235. The cubic root of 106868390 is about 474.5512141576.

The spelling of 106868390 in words is "one hundred six million, eight hundred sixty-eight thousand, three hundred ninety".