39928248 has 128 divisors (see below), whose sum is σ = 117504000. Its totient is φ = 12545280.

The previous prime is 39928241. The next prime is 39928261. The reversal of 39928248 is 84282993.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (248832) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39928241) 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, 448588 + ... + 448676.

It is an arithmetic number, because the mean of its divisors is an integer number (918000).

Almost surely, 2^39928248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39928248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58752000).

39928248 is an abundant number, since it is smaller than the sum of its proper divisors (77575752).

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

39928248 is a wasteful number, since it uses less digits than its factorization.

39928248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 192 counting only the distinct ones).

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

The square root of 39928248 is about 6318.8802805560. The cubic root of 39928248 is about 341.7905766182.

The spelling of 39928248 in words is "thirty-nine million, nine hundred twenty-eight thousand, two hundred forty-eight".