46691 has 2 divisors, whose sum is σ = 46692. Its totient is φ = 46690.

The previous prime is 46687. The next prime is 46703. The reversal of 46691 is 19664.

46691 is nontrivially palindromic in base 14.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46691 - 2² = 46687 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 46691.

It is not a weakly prime, because it can be changed into another prime (46601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23345 + 23346.

It is an arithmetic number, because the mean of its divisors is an integer number (23346).

46691 is a Friedman number, since it can be written as 6^6+9*4-1, using all its digits and the basic arithmetic operations.

2⁴⁶⁶⁹¹ is an apocalyptic number.

46691 is the 116-th centered heptagonal number.

46691 is a deficient number, since it is larger than the sum of its proper divisors (1).

46691 is an equidigital number, since it uses as much as digits as its factorization.

46691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 46691 is about 216.0810033298. The cubic root of 46691 is about 36.0089998075.

Subtracting from 46691 its sum of digits (26), we obtain a triangular number (46665 = T₃₀₅).

It can be divided in two parts, 46 and 691, that added together give a palindrome (737).

The spelling of 46691 in words is "forty-six thousand, six hundred ninety-one".