106405806 has 16 divisors (see below), whose sum is σ = 229181904. Its totient is φ = 32740224.

The previous prime is 106405787. The next prime is 106405813. The reversal of 106405806 is 608504601.

It is a super-2 number, since 2×106405806² = 22644391101019272, which contains 22 as substring.

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, 682011 + ... + 682166.

It is an arithmetic number, because the mean of its divisors is an integer number (14323869).

Almost surely, 2^106405806 is an apocalyptic number.

106405806 is an abundant number, since it is smaller than the sum of its proper divisors (122776098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106405806 is a wasteful number, since it uses less digits than its factorization.

106405806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364195.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 106405806 is about 10315.3189965216. The cubic root of 106405806 is about 473.8655193634.

The spelling of 106405806 in words is "one hundred six million, four hundred five thousand, eight hundred six".