49216284 has 72 divisors (see below), whose sum is σ = 135410912. Its totient is φ = 14981760.

The previous prime is 49216283. The next prime is 49216333. The reversal of 49216284 is 48261294.

49216284 is a `hidden beast` number, since 4 + 9 + 21 + 628 + 4 = 666.

It is a super-2 number, since 2×49216284² = 4844485221537312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49216283) 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 23 ways as a sum of consecutive naturals, for example, 47694 + ... + 48714.

Almost surely, 2^49216284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49216284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67705456).

49216284 is an abundant number, since it is smaller than the sum of its proper divisors (86194628).

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

49216284 is a wasteful number, since it uses less digits than its factorization.

49216284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1142 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 49216284 is about 7015.4318470070. The cubic root of 49216284 is about 366.4681816475.

The spelling of 49216284 in words is "forty-nine million, two hundred sixteen thousand, two hundred eighty-four".