48239646 has 64 divisors (see below), whose sum is σ = 121056768. Its totient is φ = 12475008.

The previous prime is 48239629. The next prime is 48239647. The reversal of 48239646 is 64693284.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 48239598 and 48239607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48239647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28105 + ... + 29771.

It is an arithmetic number, because the mean of its divisors is an integer number (1891512).

Almost surely, 2^48239646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48239646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60528384).

48239646 is an abundant number, since it is smaller than the sum of its proper divisors (72817122).

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

48239646 is a wasteful number, since it uses less digits than its factorization.

48239646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745.

The product of its digits is 248832, while the sum is 42.

The square root of 48239646 is about 6945.4766575088. The cubic root of 48239646 is about 364.0279282601.

The spelling of 48239646 in words is "forty-eight million, two hundred thirty-nine thousand, six hundred forty-six".