3993246 has 32 divisors (see below), whose sum is σ = 9004320. Its totient is φ = 1311552.

The previous prime is 3993239. The next prime is 3993247. The reversal of 3993246 is 6423993.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3993246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993247) 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, 3436 + ... + 4448.

It is an arithmetic number, because the mean of its divisors is an integer number (281385).

Almost surely, 2^3993246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3993246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502160).

3993246 is an abundant number, since it is smaller than the sum of its proper divisors (5011074).

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

3993246 is a wasteful number, since it uses less digits than its factorization.

3993246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1091 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 3993246 is about 1998.3107866396. The cubic root of 3993246 is about 158.6507106411.

The spelling of 3993246 in words is "three million, nine hundred ninety-three thousand, two hundred forty-six".