49998867 has 4 divisors (see below), whose sum is σ = 66665160. Its totient is φ = 33332576.

The previous prime is 49998857. The next prime is 49998869. The reversal of 49998867 is 76889994.

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

It is a cyclic number.

It is not a de Polignac number, because 49998867 - 2¹¹ = 49996819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49998867.

It is not an unprimeable number, because it can be changed into a prime (49998869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333142 + ... + 8333147.

It is an arithmetic number, because the mean of its divisors is an integer number (16666290).

Almost surely, 2^49998867 is an apocalyptic number.

49998867 is a deficient number, since it is larger than the sum of its proper divisors (16666293).

49998867 is a wasteful number, since it uses less digits than its factorization.

49998867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666292.

The product of its digits is 7838208, while the sum is 60.

The square root of 49998867 is about 7070.9876962133. The cubic root of 49998867 is about 368.4003671712.

The spelling of 49998867 in words is "forty-nine million, nine hundred ninety-eight thousand, eight hundred sixty-seven".