46191638 has 8 divisors (see below), whose sum is σ = 69557832. Its totient is φ = 23005696.

The previous prime is 46191619. The next prime is 46191667. The reversal of 46191638 is 83619164.

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

It is a super-2 number, since 2×46191638² = 4267334842246088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44420 + ... + 45447.

It is an arithmetic number, because the mean of its divisors is an integer number (8694729).

Almost surely, 2^46191638 is an apocalyptic number.

46191638 is a deficient number, since it is larger than the sum of its proper divisors (23366194).

46191638 is a wasteful number, since it uses less digits than its factorization.

46191638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90126.

The product of its digits is 31104, while the sum is 38.

The square root of 46191638 is about 6796.4430402969. The cubic root of 46191638 is about 358.8016688359.

The spelling of 46191638 in words is "forty-six million, one hundred ninety-one thousand, six hundred thirty-eight".