46643218 has 16 divisors (see below), whose sum is σ = 74707776. Its totient is φ = 21787920.

The previous prime is 46643213. The next prime is 46643227. The reversal of 46643218 is 81234664.

It is not an unprimeable number, because it can be changed into a prime (46643213) 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, 9813 + ... + 13768.

It is an arithmetic number, because the mean of its divisors is an integer number (4669236).

Almost surely, 2^46643218 is an apocalyptic number.

46643218 is a deficient number, since it is larger than the sum of its proper divisors (28064558).

46643218 is a wasteful number, since it uses less digits than its factorization.

46643218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23649.

The product of its digits is 27648, while the sum is 34.

The square root of 46643218 is about 6829.5840283285. The cubic root of 46643218 is about 359.9671214829.

The spelling of 46643218 in words is "forty-six million, six hundred forty-three thousand, two hundred eighteen".