46691191 has 4 divisors (see below), whose sum is σ = 46832584. Its totient is φ = 46549800.

The previous prime is 46691159. The next prime is 46691201. The reversal of 46691191 is 19119664.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46691191 - 2⁵ = 46691159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46691191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46691101) 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, 70200 + ... + 70861.

It is an arithmetic number, because the mean of its divisors is an integer number (11708146).

Almost surely, 2^46691191 is an apocalyptic number.

46691191 is a deficient number, since it is larger than the sum of its proper divisors (141393).

46691191 is a wasteful number, since it uses less digits than its factorization.

46691191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141392.

The product of its digits is 11664, while the sum is 37.

The square root of 46691191 is about 6833.0952722760. The cubic root of 46691191 is about 360.0904890842.

The spelling of 46691191 in words is "forty-six million, six hundred ninety-one thousand, one hundred ninety-one".