49918698 has 48 divisors (see below), whose sum is σ = 117641160. Its totient is φ = 15234048.

The previous prime is 49918697. The next prime is 49918709. The reversal of 49918698 is 89681994.

It can be written as a sum of positive squares in 4 ways, for example, as 46335249 + 3583449 = 6807^2 + 1893^2 .

It is not an unprimeable number, because it can be changed into a prime (49918691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9118 + ... + 13526.

Almost surely, 2^49918698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49918698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58820580).

49918698 is an abundant number, since it is smaller than the sum of its proper divisors (67722462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49918698 is a wasteful number, since it uses less digits than its factorization.

49918698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471 (or 4468 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 49918698 is about 7065.3165534178. The cubic root of 49918698 is about 368.2033621180.

It can be divided in two parts, 4991 and 8698, that added together give a square (13689 = 117²).

The spelling of 49918698 in words is "forty-nine million, nine hundred eighteen thousand, six hundred ninety-eight".