39466540 has 24 divisors (see below), whose sum is σ = 83260800. Its totient is φ = 15714048.

The previous prime is 39466529. The next prime is 39466541. The reversal of 39466540 is 4566493.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39466540.

It is not an unprimeable number, because it can be changed into a prime (39466541) 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, 36 + ... + 8884.

It is an arithmetic number, because the mean of its divisors is an integer number (3469200).

Almost surely, 2^39466540 is an apocalyptic number.

It is an amenable number.

39466540 is an abundant number, since it is smaller than the sum of its proper divisors (43794260).

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

39466540 is a wasteful number, since it uses less digits than its factorization.

39466540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081 (or 9079 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 39466540 is about 6282.2400463529. The cubic root of 39466540 is about 340.4680405257.

The spelling of 39466540 in words is "thirty-nine million, four hundred sixty-six thousand, five hundred forty".