49984830 has 128 divisors (see below), whose sum is σ = 155520000. Its totient is φ = 11187072.

The previous prime is 49984813. The next prime is 49984843. The reversal of 49984830 is 3848994.

It is a happy number.

49984830 is a `hidden beast` number, since 499 + 84 + 83 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 99921 + ... + 100419.

It is an arithmetic number, because the mean of its divisors is an integer number (1215000).

Almost surely, 2^49984830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49984830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77760000).

49984830 is an abundant number, since it is smaller than the sum of its proper divisors (105535170).

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

49984830 is a wasteful number, since it uses less digits than its factorization.

49984830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 49984830 is about 7069.9950495032. The cubic root of 49984830 is about 368.3658882568.

The spelling of 49984830 in words is "forty-nine million, nine hundred eighty-four thousand, eight hundred thirty".