49998697 has 16 divisors (see below), whose sum is σ = 59961600. Its totient is φ = 40783680.

The previous prime is 49998661. The next prime is 49998727. The reversal of 49998697 is 79689994.

It is a de Polignac number, because none of the positive numbers 2^k-49998697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49998617) 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 in 15 ways as a sum of consecutive naturals, for example, 12679 + ... + 16147.

It is an arithmetic number, because the mean of its divisors is an integer number (3747600).

Almost surely, 2^49998697 is an apocalyptic number.

It is an amenable number.

49998697 is a deficient number, since it is larger than the sum of its proper divisors (9962903).

49998697 is a wasteful number, since it uses less digits than its factorization.

49998697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its digits is 8817984, while the sum is 61.

The square root of 49998697 is about 7070.9756752516. The cubic root of 49998697 is about 368.3999496409.

The spelling of 49998697 in words is "forty-nine million, nine hundred ninety-eight thousand, six hundred ninety-seven".