106209418 has 16 divisors (see below), whose sum is σ = 185059584. Its totient is φ = 44771760.

The previous prime is 106209407. The next prime is 106209419. The reversal of 106209418 is 814902601.

It is a happy number.

It is a super-2 number, since 2×106209418² = 22560880943797448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106209418.

It is not an unprimeable number, because it can be changed into a prime (106209419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61330 + ... + 63037.

It is an arithmetic number, because the mean of its divisors is an integer number (11566224).

Almost surely, 2^106209418 is an apocalyptic number.

106209418 is a deficient number, since it is larger than the sum of its proper divisors (78850166).

106209418 is a wasteful number, since it uses less digits than its factorization.

106209418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124437.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 106209418 is about 10305.7953598934. The cubic root of 106209418 is about 473.5738096754.

The spelling of 106209418 in words is "one hundred six million, two hundred nine thousand, four hundred eighteen".