106873861 has 4 divisors (see below), whose sum is σ = 107689824. Its totient is φ = 106057900.

The previous prime is 106873843. The next prime is 106873867. The reversal of 106873861 is 168378601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 168378601 = 37 ⋅4550773.

It is a cyclic number.

It is not a de Polignac number, because 106873861 - 2⁷ = 106873733 is a prime.

It is a super-2 number, since 2×106873861² = 22844044330094642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106873867) 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, 407785 + ... + 408046.

It is an arithmetic number, because the mean of its divisors is an integer number (26922456).

Almost surely, 2^106873861 is an apocalyptic number.

It is an amenable number.

106873861 is a deficient number, since it is larger than the sum of its proper divisors (815963).

106873861 is an equidigital number, since it uses as much as digits as its factorization.

106873861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815962.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 106873861 is about 10337.9814760910. The cubic root of 106873861 is about 474.5593120476.

The spelling of 106873861 in words is "one hundred six million, eight hundred seventy-three thousand, eight hundred sixty-one".