49639634 has 8 divisors (see below), whose sum is σ = 81228528. Its totient is φ = 22563460.

The previous prime is 49639631. The next prime is 49639637. The reversal of 49639634 is 43693694.

It is an interprime number because it is at equal distance from previous prime (49639631) and next prime (49639637).

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

It is not an unprimeable number, because it can be changed into a prime (49639631) 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, 1128152 + ... + 1128195.

It is an arithmetic number, because the mean of its divisors is an integer number (10153566).

Almost surely, 2^49639634 is an apocalyptic number.

49639634 is a deficient number, since it is larger than the sum of its proper divisors (31588894).

49639634 is a wasteful number, since it uses less digits than its factorization.

49639634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256360.

The product of its digits is 419904, while the sum is 44.

The square root of 49639634 is about 7045.5400076928. The cubic root of 49639634 is about 367.5159485266.

The spelling of 49639634 in words is "forty-nine million, six hundred thirty-nine thousand, six hundred thirty-four".