106438172 has 12 divisors (see below), whose sum is σ = 187047840. Its totient is φ = 52995936.

The previous prime is 106438153. The next prime is 106438217. The reversal of 106438172 is 271834601.

It is a super-2 number, since 2×106438172² = 22658168917403168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54713 + ... + 56624.

It is an arithmetic number, because the mean of its divisors is an integer number (15587320).

Almost surely, 2^106438172 is an apocalyptic number.

It is an amenable number.

106438172 is a deficient number, since it is larger than the sum of its proper divisors (80609668).

106438172 is a wasteful number, since it uses less digits than its factorization.

106438172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111580 (or 111578 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 106438172 is about 10316.8877089944. The cubic root of 106438172 is about 473.9135605283.

The spelling of 106438172 in words is "one hundred six million, four hundred thirty-eight thousand, one hundred seventy-two".