46988891 has 2 divisors, whose sum is σ = 46988892. Its totient is φ = 46988890.

The previous prime is 46988863. The next prime is 46988917. The reversal of 46988891 is 19888964.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46988891 - 2⁶ = 46988827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (46988801) 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 as a sum of consecutive naturals, namely, 23494445 + 23494446.

It is an arithmetic number, because the mean of its divisors is an integer number (23494446).

Almost surely, 2^46988891 is an apocalyptic number.

46988891 is a deficient number, since it is larger than the sum of its proper divisors (1).

46988891 is an equidigital number, since it uses as much as digits as its factorization.

46988891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 53.

The square root of 46988891 is about 6854.8443454246. The cubic root of 46988891 is about 360.8541728309.

The spelling of 46988891 in words is "forty-six million, nine hundred eighty-eight thousand, eight hundred ninety-one".