106238089 has 4 divisors (see below), whose sum is σ = 106852356. Its totient is φ = 105623824.

The previous prime is 106238071. The next prime is 106238123. The reversal of 106238089 is 980832601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72505225 + 33732864 = 8515^2 + 5808^2 .

It is a cyclic number.

It is not a de Polignac number, because 106238089 - 2⁵ = 106238057 is a prime.

It is a super-2 number, since 2×106238089² = 22573063108743842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106238029) 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, 306874 + ... + 307219.

It is an arithmetic number, because the mean of its divisors is an integer number (26713089).

Almost surely, 2^106238089 is an apocalyptic number.

It is an amenable number.

106238089 is a deficient number, since it is larger than the sum of its proper divisors (614267).

106238089 is an equidigital number, since it uses as much as digits as its factorization.

106238089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614266.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 106238089 is about 10307.1862794848. The cubic root of 106238089 is about 473.6164192461.

The spelling of 106238089 in words is "one hundred six million, two hundred thirty-eight thousand, eighty-nine".