39984500 has 48 divisors (see below), whose sum is σ = 87971520. Its totient is φ = 15876000.

The previous prime is 39984491. The next prime is 39984521. The reversal of 39984500 is 548993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105311 + ... + 105689.

It is an arithmetic number, because the mean of its divisors is an integer number (1832740).

Almost surely, 2^39984500 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 39984500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43985760).

39984500 is an abundant number, since it is smaller than the sum of its proper divisors (47987020).

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

39984500 is a wasteful number, since it uses less digits than its factorization.

39984500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 39984500 is about 6323.3298190115. The cubic root of 39984500 is about 341.9510092496.

The spelling of 39984500 in words is "thirty-nine million, nine hundred eighty-four thousand, five hundred".