3921336 has 48 divisors (see below), whose sum is σ = 10740600. Its totient is φ = 1292352.

The previous prime is 3921301. The next prime is 3921343. The reversal of 3921336 is 6331293.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7450 + ... + 7958.

Almost surely, 2^3921336 is an apocalyptic number.

3921336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3921336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5370300).

3921336 is an abundant number, since it is smaller than the sum of its proper divisors (6819264).

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

3921336 is a wasteful number, since it uses less digits than its factorization.

3921336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 621 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 3921336 is about 1980.2363495300. The cubic root of 3921336 is about 157.6926139319.

It can be divided in two parts, 392 and 1336, that added together give a cube (1728 = 12³).

The spelling of 3921336 in words is "three million, nine hundred twenty-one thousand, three hundred thirty-six".