48397639 has 8 divisors (see below), whose sum is σ = 50362560. Its totient is φ = 46471776.

The previous prime is 48397631. The next prime is 48397667. The reversal of 48397639 is 93679384.

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

It is a cyclic number.

It is not a de Polignac number, because 48397639 - 2³ = 48397631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48397592 and 48397601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48397631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7224 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (6295320).

Almost surely, 2^48397639 is an apocalyptic number.

48397639 is a deficient number, since it is larger than the sum of its proper divisors (1964921).

48397639 is a wasteful number, since it uses less digits than its factorization.

48397639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19529.

The product of its digits is 979776, while the sum is 49.

The square root of 48397639 is about 6956.8411653566. The cubic root of 48397639 is about 364.4249128569.

The spelling of 48397639 in words is "forty-eight million, three hundred ninety-seven thousand, six hundred thirty-nine".