46816218 has 20 divisors (see below), whose sum is σ = 104903370. Its totient is φ = 15605352.

The previous prime is 46816213. The next prime is 46816223. The reversal of 46816218 is 81261864.

It is an interprime number because it is at equal distance from previous prime (46816213) and next prime (46816223).

It can be written as a sum of positive squares in only one way, i.e., 29452329 + 17363889 = 5427^2 + 4167^2 .

It is not an unprimeable number, because it can be changed into a prime (46816213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 144333 + ... + 144656.

Almost surely, 2^46816218 is an apocalyptic number.

46816218 is an abundant number, since it is smaller than the sum of its proper divisors (58087152).

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

46816218 is a wasteful number, since it uses less digits than its factorization.

46816218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289003 (or 288994 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 46816218 is about 6842.2377918339. The cubic root of 46816218 is about 360.4116125293.

The spelling of 46816218 in words is "forty-six million, eight hundred sixteen thousand, two hundred eighteen".