40847299 has 2 divisors, whose sum is σ = 40847300. Its totient is φ = 40847298.

The previous prime is 40847281. The next prime is 40847383. The reversal of 40847299 is 99274804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40847299 - 2⁵ = 40847267 is a prime.

It is not a weakly prime, because it can be changed into another prime (40847269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20423649 + 20423650.

It is an arithmetic number, because the mean of its divisors is an integer number (20423650).

Almost surely, 2^40847299 is an apocalyptic number.

40847299 is a deficient number, since it is larger than the sum of its proper divisors (1).

40847299 is an equidigital number, since it uses as much as digits as its factorization.

40847299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 40847299 is about 6391.1891694739. The cubic root of 40847299 is about 344.3931051205.

The spelling of 40847299 in words is "forty million, eight hundred forty-seven thousand, two hundred ninety-nine".