49306138 has 8 divisors (see below), whose sum is σ = 84524832. Its totient is φ = 21131196.

The previous prime is 49306129. The next prime is 49306141. The reversal of 49306138 is 83160394.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760920 + ... + 1760947.

It is an arithmetic number, because the mean of its divisors is an integer number (10565604).

Almost surely, 2^49306138 is an apocalyptic number.

49306138 is a deficient number, since it is larger than the sum of its proper divisors (35218694).

49306138 is a wasteful number, since it uses less digits than its factorization.

49306138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521876.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 49306138 is about 7021.8329515875. The cubic root of 49306138 is about 366.6910659613.

The spelling of 49306138 in words is "forty-nine million, three hundred six thousand, one hundred thirty-eight".