46191538 has 8 divisors (see below), whose sum is σ = 69320988. Its totient is φ = 23084544.

The previous prime is 46191529. The next prime is 46191539. The reversal of 46191538 is 83519164.

It can be written as a sum of positive squares in 2 ways, for example, as 29192409 + 16999129 = 5403^2 + 4123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 46191497 and 46191506.

It is not an unprimeable number, because it can be changed into a prime (46191539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170 + ... + 9682.

Almost surely, 2^46191538 is an apocalyptic number.

46191538 is a deficient number, since it is larger than the sum of its proper divisors (23129450).

46191538 is a wasteful number, since it uses less digits than its factorization.

46191538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228.

The product of its digits is 25920, while the sum is 37.

The square root of 46191538 is about 6796.4356835035. The cubic root of 46191538 is about 358.8014099132.

The spelling of 46191538 in words is "forty-six million, one hundred ninety-one thousand, five hundred thirty-eight".