3935394 has 48 divisors (see below), whose sum is σ = 9247680. Its totient is φ = 1205280.

The previous prime is 3935389. The next prime is 3935411. The reversal of 3935394 is 4935393.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12499 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (192660).

Almost surely, 2^3935394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3935394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4623840).

3935394 is an abundant number, since it is smaller than the sum of its proper divisors (5312286).

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

3935394 is a wasteful number, since it uses less digits than its factorization.

3935394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 372 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 3935394 is about 1983.7827502022. The cubic root of 3935394 is about 157.8808320036.

Subtracting 3935394 from its reverse (4935393), we obtain a palindrome (999999).

The spelling of 3935394 in words is "three million, nine hundred thirty-five thousand, three hundred ninety-four".