46640591 has 8 divisors (see below), whose sum is σ = 47775744. Its totient is φ = 45511480.

The previous prime is 46640579. The next prime is 46640593. The reversal of 46640591 is 19504664.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46640591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46640593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16706 + ... + 19296.

It is an arithmetic number, because the mean of its divisors is an integer number (5971968).

Almost surely, 2^46640591 is an apocalyptic number.

46640591 is a deficient number, since it is larger than the sum of its proper divisors (1135153).

46640591 is a wasteful number, since it uses less digits than its factorization.

46640591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 46640591 is about 6829.3917005836. The cubic root of 46640591 is about 359.9603634345.

The spelling of 46640591 in words is "forty-six million, six hundred forty thousand, five hundred ninety-one".