48319438 has 4 divisors (see below), whose sum is σ = 72479160. Its totient is φ = 24159718.

The previous prime is 48319393. The next prime is 48319441. The reversal of 48319438 is 83491384.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 48319438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12079858 + ... + 12079861.

It is an arithmetic number, because the mean of its divisors is an integer number (18119790).

Almost surely, 2^48319438 is an apocalyptic number.

48319438 is a deficient number, since it is larger than the sum of its proper divisors (24159722).

48319438 is a wasteful number, since it uses less digits than its factorization.

48319438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24159721.

The product of its digits is 82944, while the sum is 40.

The square root of 48319438 is about 6951.2184543431. The cubic root of 48319438 is about 364.2285275494.

The spelling of 48319438 in words is "forty-eight million, three hundred nineteen thousand, four hundred thirty-eight".