39854934 has 72 divisors (see below), whose sum is σ = 101991240. Its totient is φ = 11212992.

The previous prime is 39854917. The next prime is 39854959. The reversal of 39854934 is 43945893.

It is a happy number.

It is a super-3 number, since 3×39854934³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39854934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64077 + ... + 64695.

It is an arithmetic number, because the mean of its divisors is an integer number (1416545).

Almost surely, 2^39854934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39854934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50995620).

39854934 is an abundant number, since it is smaller than the sum of its proper divisors (62136306).

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

39854934 is a wasteful number, since it uses less digits than its factorization.

39854934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 704 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 39854934 is about 6313.0764291271. The cubic root of 39854934 is about 341.5812562500.

The spelling of 39854934 in words is "thirty-nine million, eight hundred fifty-four thousand, nine hundred thirty-four".