48969638 has 4 divisors (see below), whose sum is σ = 73454460. Its totient is φ = 24484818.

The previous prime is 48969637. The next prime is 48969643. The reversal of 48969638 is 83696984.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 48969638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48969637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12242408 + ... + 12242411.

It is an arithmetic number, because the mean of its divisors is an integer number (18363615).

Almost surely, 2^48969638 is an apocalyptic number.

48969638 is a deficient number, since it is larger than the sum of its proper divisors (24484822).

48969638 is a wasteful number, since it uses less digits than its factorization.

48969638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484821.

The product of its digits is 2239488, while the sum is 53.

The square root of 48969638 is about 6997.8309496586. The cubic root of 48969638 is about 365.8549745426.

The spelling of 48969638 in words is "forty-eight million, nine hundred sixty-nine thousand, six hundred thirty-eight".