3938396 has 48 divisors (see below), whose sum is σ = 9058560. Its totient is φ = 1451520.

The previous prime is 3938393. The next prime is 3938437. The reversal of 3938396 is 6938393.

3938396 = T₂₁ + T₂₂ + ... + T₂₈₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5516 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (188720).

Almost surely, 2^3938396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3938396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4529280).

3938396 is an abundant number, since it is smaller than the sum of its proper divisors (5120164).

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

3938396 is a wasteful number, since it uses less digits than its factorization.

3938396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 712 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 3938396 is about 1984.5392412346. The cubic root of 3938396 is about 157.9209667223.

It can be divided in two parts, 3938 and 396, that added together give a palindrome (4334).

The spelling of 3938396 in words is "three million, nine hundred thirty-eight thousand, three hundred ninety-six".