3969846 has 48 divisors (see below), whose sum is σ = 9225216. Its totient is φ = 1230768.

The previous prime is 3969827. The next prime is 3969853. The reversal of 3969846 is 6489693.

It is a Curzon 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, 17691 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (192192).

Almost surely, 2^3969846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3969846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4612608).

3969846 is an abundant number, since it is smaller than the sum of its proper divisors (5255370).

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

3969846 is a wasteful number, since it uses less digits than its factorization.

3969846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 294 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 3969846 is about 1992.4472389501. The cubic root of 3969846 is about 158.3402112125.

The spelling of 3969846 in words is "three million, nine hundred sixty-nine thousand, eight hundred forty-six".