3933440 has 72 divisors (see below), whose sum is σ = 10792320. Its totient is φ = 1345536.

The previous prime is 3933439. The next prime is 3933469. The reversal of 3933440 is 443393.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8741 + ... + 9179.

Almost surely, 2^3933440 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 3933440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5396160).

3933440 is an abundant number, since it is smaller than the sum of its proper divisors (6858880).

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

3933440 is an equidigital number, since it uses as much as digits as its factorization.

3933440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 3933440 is about 1983.2901956093. The cubic root of 3933440 is about 157.8546973719.

The spelling of 3933440 in words is "three million, nine hundred thirty-three thousand, four hundred forty".