41988399 has 4 divisors (see below), whose sum is σ = 55984536. Its totient is φ = 27992264.

The previous prime is 41988391. The next prime is 41988407. The reversal of 41988399 is 99388914.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (41988391) and next prime (41988407).

It is a cyclic number.

It is not a de Polignac number, because 41988399 - 2³ = 41988391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41988391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6998064 + ... + 6998069.

It is an arithmetic number, because the mean of its divisors is an integer number (13996134).

Almost surely, 2^41988399 is an apocalyptic number.

41988399 is a deficient number, since it is larger than the sum of its proper divisors (13996137).

41988399 is a wasteful number, since it uses less digits than its factorization.

41988399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13996136.

The product of its digits is 559872, while the sum is 51.

The square root of 41988399 is about 6479.8456000124. The cubic root of 41988399 is about 347.5706572676.

The spelling of 41988399 in words is "forty-one million, nine hundred eighty-eight thousand, three hundred ninety-nine".