49984398 has 16 divisors (see below), whose sum is σ = 111076560. Its totient is φ = 16661448.

The previous prime is 49984393. The next prime is 49984399. The reversal of 49984398 is 89348994.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 925637 = 49984398 / (4 + 9 + 9 + 8 + 4 + 3 + 9 + 8).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49984393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462765 + ... + 462872.

It is an arithmetic number, because the mean of its divisors is an integer number (6942285).

Almost surely, 2^49984398 is an apocalyptic number.

49984398 is an abundant number, since it is smaller than the sum of its proper divisors (61092162).

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

49984398 is a wasteful number, since it uses less digits than its factorization.

49984398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925648 (or 925642 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 49984398 is about 7069.9644977892. The cubic root of 49984398 is about 368.3648270380.

The spelling of 49984398 in words is "forty-nine million, nine hundred eighty-four thousand, three hundred ninety-eight".