39869052 has 12 divisors (see below), whose sum is σ = 93027816. Its totient is φ = 13289680.

The previous prime is 39869047. The next prime is 39869059. The reversal of 39869052 is 25096893.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 39868995 and 39869013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39869059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661199 + ... + 1661222.

It is an arithmetic number, because the mean of its divisors is an integer number (7752318).

Almost surely, 2^39869052 is an apocalyptic number.

It is an amenable number.

39869052 is an abundant number, since it is smaller than the sum of its proper divisors (53158764).

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

39869052 is a wasteful number, since it uses less digits than its factorization.

39869052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322428 (or 3322426 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 39869052 is about 6314.1944854431. The cubic root of 39869052 is about 341.6215847981.

The spelling of 39869052 in words is "thirty-nine million, eight hundred sixty-nine thousand, fifty-two".