46381918 has 16 divisors (see below), whose sum is σ = 76152960. Its totient is φ = 21011800.

The previous prime is 46381913. The next prime is 46381919. The reversal of 46381918 is 81918364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46381913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453 + ... + 10231.

It is an arithmetic number, because the mean of its divisors is an integer number (4759560).

Almost surely, 2^46381918 is an apocalyptic number.

46381918 is a deficient number, since it is larger than the sum of its proper divisors (29771042).

46381918 is a wasteful number, since it uses less digits than its factorization.

46381918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103.

The product of its digits is 41472, while the sum is 40.

The square root of 46381918 is about 6810.4271525360. The cubic root of 46381918 is about 359.2936716581.

It can be divided in two parts, 4638 and 1918, that added together give a palindrome (6556).

The spelling of 46381918 in words is "forty-six million, three hundred eighty-one thousand, nine hundred eighteen".