118646428 has 6 divisors (see below), whose sum is σ = 207631256. Its totient is φ = 59323212.

The previous prime is 118646419. The next prime is 118646441. The reversal of 118646428 is 824646811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14830800 + ... + 14830807.

Almost surely, 2^118646428 is an apocalyptic number.

It is an amenable number.

118646428 is a deficient number, since it is larger than the sum of its proper divisors (88984828).

118646428 is a wasteful number, since it uses less digits than its factorization.

118646428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29661611 (or 29661609 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 118646428 is about 10892.4941129201. The cubic root of 118646428 is about 491.3808447463.

The spelling of 118646428 in words is "one hundred eighteen million, six hundred forty-six thousand, four hundred twenty-eight".