46206991 has 2 divisors, whose sum is σ = 46206992. Its totient is φ = 46206990.

The previous prime is 46206989. The next prime is 46206997. The reversal of 46206991 is 19960264.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46206991 - 2¹ = 46206989 is a prime.

Together with 46206989, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 46206991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46206997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23103495 + 23103496.

It is an arithmetic number, because the mean of its divisors is an integer number (23103496).

Almost surely, 2^46206991 is an apocalyptic number.

46206991 is a deficient number, since it is larger than the sum of its proper divisors (1).

46206991 is an equidigital number, since it uses as much as digits as its factorization.

46206991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 46206991 is about 6797.5724343327. The cubic root of 46206991 is about 358.8414168081.

It can be divided in two parts, 4620 and 6991, that added together give a palindrome (11611).

The spelling of 46206991 in words is "forty-six million, two hundred six thousand, nine hundred ninety-one".