3932406 has 48 divisors (see below), whose sum is σ = 9199008. Its totient is φ = 1209600.

The previous prime is 3932399. The next prime is 3932413. The reversal of 3932406 is 6042393.

It is an interprime number because it is at equal distance from previous prime (3932399) and next prime (3932413).

It is a self number, because there is not a number n which added to its sum of digits gives 3932406.

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, 21636 + ... + 21816.

It is an arithmetic number, because the mean of its divisors is an integer number (191646).

Almost surely, 2^3932406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3932406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4599504).

3932406 is an abundant number, since it is smaller than the sum of its proper divisors (5266602).

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

3932406 is a wasteful number, since it uses less digits than its factorization.

3932406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3932406 is about 1983.0295005370. The cubic root of 3932406 is about 157.8408641825.

Adding to 3932406 its reverse (6042393), we get a palindrome (9974799).

The spelling of 3932406 in words is "three million, nine hundred thirty-two thousand, four hundred six".