39870852 has 48 divisors (see below), whose sum is σ = 108595200. Its totient is φ = 11148192.

The previous prime is 39870827. The next prime is 39870863. The reversal of 39870852 is 25807893.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a plaindrome in base 15.

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, 1102 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (2262400).

Almost surely, 2^39870852 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 39870852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54297600).

39870852 is an abundant number, since it is smaller than the sum of its proper divisors (68724348).

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

39870852 is a wasteful number, since it uses less digits than its factorization.

39870852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160 (or 10158 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 39870852 is about 6314.3370198303. The cubic root of 39870852 is about 341.6267258751.

The spelling of 39870852 in words is "thirty-nine million, eight hundred seventy thousand, eight hundred fifty-two".