39834342 has 80 divisors (see below), whose sum is σ = 94525200. Its totient is φ = 12519360.

The previous prime is 39834341. The next prime is 39834391. The reversal of 39834342 is 24343893.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (62208) is a multiple of the sum of its prime factors (243).

It is a junction number, because it is equal to n+sod(n) for n = 39834297 and 39834306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39834341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 286509 + ... + 286647.

It is an arithmetic number, because the mean of its divisors is an integer number (1181565).

Almost surely, 2^39834342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39834342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47262600).

39834342 is an abundant number, since it is smaller than the sum of its proper divisors (54690858).

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

39834342 is a wasteful number, since it uses less digits than its factorization.

39834342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 234 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 39834342 is about 6311.4453178333. The cubic root of 39834342 is about 341.5224174207.

The spelling of 39834342 in words is "thirty-nine million, eight hundred thirty-four thousand, three hundred forty-two".