46389618 has 64 divisors (see below), whose sum is σ = 116380800. Its totient is φ = 13567680.

The previous prime is 46389599. The next prime is 46389619. The reversal of 46389618 is 81698364.

46389618 is a `hidden beast` number, since 4 + 638 + 9 + 6 + 1 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46389619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15880 + ... + 18572.

It is an arithmetic number, because the mean of its divisors is an integer number (1818450).

Almost surely, 2^46389618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46389618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58190400).

46389618 is an abundant number, since it is smaller than the sum of its proper divisors (69991182).

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

46389618 is a wasteful number, since it uses less digits than its factorization.

46389618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2738 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 46389618 is about 6810.9924386979. The cubic root of 46389618 is about 359.3135530279.

The spelling of 46389618 in words is "forty-six million, three hundred eighty-nine thousand, six hundred eighteen".