39466240 has 72 divisors (see below), whose sum is σ = 103164768. Its totient is φ = 14346240.

The previous prime is 39466199. The next prime is 39466241. The reversal of 39466240 is 4266493.

It is a junction number, because it is equal to n+sod(n) for n = 39466196 and 39466205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39466241) 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, 12679 + ... + 15481.

It is an arithmetic number, because the mean of its divisors is an integer number (1432844).

Almost surely, 2^39466240 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 39466240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51582384).

39466240 is an abundant number, since it is smaller than the sum of its proper divisors (63698528).

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

39466240 is a wasteful number, since it uses less digits than its factorization.

39466240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 39466240 is about 6282.2161694740. The cubic root of 39466240 is about 340.4671778483.

The spelling of 39466240 in words is "thirty-nine million, four hundred sixty-six thousand, two hundred forty".