49847478 has 8 divisors (see below), whose sum is σ = 99694968. Its totient is φ = 16615824.

The previous prime is 49847477. The next prime is 49847521. The reversal of 49847478 is 87474894.

It is a sphenic number, since it is the product of 3 distinct primes.

49847478 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 49847478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49847477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4153951 + ... + 4153962.

It is an arithmetic number, because the mean of its divisors is an integer number (12461871).

Almost surely, 2^49847478 is an apocalyptic number.

49847478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49847478 is a wasteful number, since it uses less digits than its factorization.

49847478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307918.

The product of its digits is 1806336, while the sum is 51.

The square root of 49847478 is about 7060.2746405505. The cubic root of 49847478 is about 368.0281710869.

The spelling of 49847478 in words is "forty-nine million, eight hundred forty-seven thousand, four hundred seventy-eight".