3921846 has 8 divisors (see below), whose sum is σ = 7843704. Its totient is φ = 1307280.

The previous prime is 3921823. The next prime is 3921851. The reversal of 3921846 is 6481293.

It is a sphenic number, since it is the product of 3 distinct primes.

3921846 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326815 + ... + 326826.

It is an arithmetic number, because the mean of its divisors is an integer number (980463).

Almost surely, 2^3921846 is an apocalyptic number.

3921846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3921846 is a wasteful number, since it uses less digits than its factorization.

3921846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653646.

The product of its digits is 10368, while the sum is 33.

The square root of 3921846 is about 1980.3651178507. The cubic root of 3921846 is about 157.6994500159.

The spelling of 3921846 in words is "three million, nine hundred twenty-one thousand, eight hundred forty-six".