46185538 has 12 divisors (see below), whose sum is σ = 80589222. Its totient is φ = 19793760.

The previous prime is 46185527. The next prime is 46185539. The reversal of 46185538 is 83558164.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 5697769 = 6363^2 + 2387^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 46185538.

It is not an unprimeable number, because it can be changed into a prime (46185539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235543 + ... + 235738.

Almost surely, 2^46185538 is an apocalyptic number.

46185538 is a deficient number, since it is larger than the sum of its proper divisors (34403684).

46185538 is a wasteful number, since it uses less digits than its factorization.

46185538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471297 (or 471290 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 46185538 is about 6795.9942613278. The cubic root of 46185538 is about 358.7858738665.

The spelling of 46185538 in words is "forty-six million, one hundred eighty-five thousand, five hundred thirty-eight".