49387478 has 16 divisors (see below), whose sum is σ = 86634240. Its totient is φ = 20673576.

The previous prime is 49387477. The next prime is 49387483. The reversal of 49387478 is 87478394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49387477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40418 + ... + 41621.

It is an arithmetic number, because the mean of its divisors is an integer number (5414640).

Almost surely, 2^49387478 is an apocalyptic number.

49387478 is a deficient number, since it is larger than the sum of its proper divisors (37246762).

49387478 is a wasteful number, since it uses less digits than its factorization.

49387478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82091.

The product of its digits is 1354752, while the sum is 50.

The square root of 49387478 is about 7027.6224998217. The cubic root of 49387478 is about 366.8925977646.

The spelling of 49387478 in words is "forty-nine million, three hundred eighty-seven thousand, four hundred seventy-eight".