117649406 has 16 divisors (see below), whose sum is σ = 212300160. Its totient is φ = 47767320.

The previous prime is 117649391. The next prime is 117649451. The reversal of 117649406 is 604946711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 117649406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220880 + ... + 221411.

It is an arithmetic number, because the mean of its divisors is an integer number (13268760).

Almost surely, 2^117649406 is an apocalyptic number.

117649406 is a deficient number, since it is larger than the sum of its proper divisors (94650754).

117649406 is a wasteful number, since it uses less digits than its factorization.

117649406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442319.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 117649406 is about 10846.6310898822. The cubic root of 117649406 is about 490.0005636534. Note that the first 3 decimals are identical.

The spelling of 117649406 in words is "one hundred seventeen million, six hundred forty-nine thousand, four hundred six".