48619638 has 12 divisors (see below), whose sum is σ = 105342588. Its totient is φ = 16206540.

The previous prime is 48619633. The next prime is 48619661. The reversal of 48619638 is 83691684.

48619638 is a `hidden beast` number, since 4 + 8 + 6 + 1 + 9 + 638 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48619593 and 48619602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48619633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1350528 + ... + 1350563.

It is an arithmetic number, because the mean of its divisors is an integer number (8778549).

Almost surely, 2^48619638 is an apocalyptic number.

48619638 is an abundant number, since it is smaller than the sum of its proper divisors (56722950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48619638 is a wasteful number, since it uses less digits than its factorization.

48619638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701099 (or 2701096 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 48619638 is about 6972.7783558636. The cubic root of 48619638 is about 364.9812663182.

The spelling of 48619638 in words is "forty-eight million, six hundred nineteen thousand, six hundred thirty-eight".