39998811 has 8 divisors (see below), whose sum is σ = 53640720. Its totient is φ = 26511392.

The previous prime is 39998797. The next prime is 39998831. The reversal of 39998811 is 11889993.

39998811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39998811 - 2¹⁴ = 39982427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39998831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38016 + ... + 39053.

It is an arithmetic number, because the mean of its divisors is an integer number (6705090).

Almost surely, 2^39998811 is an apocalyptic number.

39998811 is a deficient number, since it is larger than the sum of its proper divisors (13641909).

39998811 is a wasteful number, since it uses less digits than its factorization.

39998811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77245.

The product of its digits is 139968, while the sum is 48.

The square root of 39998811 is about 6324.4613209348. The cubic root of 39998811 is about 341.9918006994.

The spelling of 39998811 in words is "thirty-nine million, nine hundred ninety-eight thousand, eight hundred eleven".