18407106 has 24 divisors (see below), whose sum is σ = 40023984. Its totient is φ = 6113880.

The previous prime is 18407071. The next prime is 18407117. The reversal of 18407106 is 60170481.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18407106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3861 + ... + 7191.

It is an arithmetic number, because the mean of its divisors is an integer number (1667666).

Almost surely, 2^18407106 is an apocalyptic number.

18407106 is an abundant number, since it is smaller than the sum of its proper divisors (21616878).

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

18407106 is a wasteful number, since it uses less digits than its factorization.

18407106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646 (or 3643 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 18407106 is about 4290.3503353456. The cubic root of 18407106 is about 264.0352053601.

Adding to 18407106 its reverse (60170481), we get a palindrome (78577587).

The spelling of 18407106 in words is "eighteen million, four hundred seven thousand, one hundred six".