49211928 has 64 divisors (see below), whose sum is σ = 138616800. Its totient is φ = 16174080.

The previous prime is 49211891. The next prime is 49211941. The reversal of 49211928 is 82911294.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 49211892 and 49211901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14208 + ... + 17328.

Almost surely, 2^49211928 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 49211928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69308400).

49211928 is an abundant number, since it is smaller than the sum of its proper divisors (89404872).

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

49211928 is a wasteful number, since it uses less digits than its factorization.

49211928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209 (or 3199 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 49211928 is about 7015.1213817011. The cubic root of 49211928 is about 366.4573696264.

The spelling of 49211928 in words is "forty-nine million, two hundred eleven thousand, nine hundred twenty-eight".