49640906 has 8 divisors (see below), whose sum is σ = 85098720. Its totient is φ = 21274668.

The previous prime is 49640897. The next prime is 49640909. The reversal of 49640906 is 60904694.

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

It is a self number, because there is not a number n which added to its sum of digits gives 49640906.

It is not an unprimeable number, because it can be changed into a prime (49640909) 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, 1772876 + ... + 1772903.

It is an arithmetic number, because the mean of its divisors is an integer number (10637340).

Almost surely, 2^49640906 is an apocalyptic number.

49640906 is a deficient number, since it is larger than the sum of its proper divisors (35457814).

49640906 is a wasteful number, since it uses less digits than its factorization.

49640906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545788.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 49640906 is about 7045.6302769873. The cubic root of 49640906 is about 367.5190876599.

The spelling of 49640906 in words is "forty-nine million, six hundred forty thousand, nine hundred six".