39796240 has 80 divisors (see below), whose sum is σ = 103493376. Its totient is φ = 14105600.

The previous prime is 39796231. The next prime is 39796243. The reversal of 39796240 is 4269793.

39796240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 39796193 and 39796202.

It is not an unprimeable number, because it can be changed into a prime (39796243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35529 + ... + 36631.

Almost surely, 2^39796240 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 39796240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51746688).

39796240 is an abundant number, since it is smaller than the sum of its proper divisors (63697136).

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

39796240 is a wasteful number, since it uses less digits than its factorization.

39796240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 39796240 is about 6308.4261111628. The cubic root of 39796240 is about 341.4134926619.

The spelling of 39796240 in words is "thirty-nine million, seven hundred ninety-six thousand, two hundred forty".