49384458 has 64 divisors (see below), whose sum is σ = 116736000. Its totient is φ = 15431472.

The previous prime is 49384429. The next prime is 49384463. The reversal of 49384458 is 85448394.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130113 + ... + 130491.

It is an arithmetic number, because the mean of its divisors is an integer number (1824000).

Almost surely, 2^49384458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49384458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58368000).

49384458 is an abundant number, since it is smaller than the sum of its proper divisors (67351542).

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

49384458 is a wasteful number, since it uses less digits than its factorization.

49384458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 49384458 is about 7027.4076301293. The cubic root of 49384458 is about 366.8851192277.

The spelling of 49384458 in words is "forty-nine million, three hundred eighty-four thousand, four hundred fifty-eight".