46686618 has 112 divisors (see below), whose sum is σ = 118988352. Its totient is φ = 13608000.

The previous prime is 46686593. The next prime is 46686643. The reversal of 46686618 is 81668664.

It is an interprime number because it is at equal distance from previous prime (46686593) and next prime (46686643).

Its product of digits (331776) is a multiple of the sum of its prime divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 657523 + ... + 657593.

It is an arithmetic number, because the mean of its divisors is an integer number (1062396).

Almost surely, 2^46686618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46686618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59494176).

46686618 is an abundant number, since it is smaller than the sum of its proper divisors (72301734).

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

46686618 is a wasteful number, since it uses less digits than its factorization.

46686618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 128 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 46686618 is about 6832.7606426685. The cubic root of 46686618 is about 360.0787327797.

The spelling of 46686618 in words is "forty-six million, six hundred eighty-six thousand, six hundred eighteen".