49391748 has 96 divisors (see below), whose sum is σ = 148377600. Its totient is φ = 13916448.

The previous prime is 49391737. The next prime is 49391779. The reversal of 49391748 is 84719394.

49391748 is a `hidden beast` number, since 493 + 91 + 74 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 59311 + ... + 60137.

It is an arithmetic number, because the mean of its divisors is an integer number (1545600).

Almost surely, 2^49391748 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 49391748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74188800).

49391748 is an abundant number, since it is smaller than the sum of its proper divisors (98985852).

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

49391748 is a wasteful number, since it uses less digits than its factorization.

49391748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 918 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 49391748 is about 7027.9262944342. The cubic root of 49391748 is about 366.9031712021.

The spelling of 49391748 in words is "forty-nine million, three hundred ninety-one thousand, seven hundred forty-eight".