3932240 has 80 divisors (see below), whose sum is σ = 10416000. Its totient is φ = 1368576.

The previous prime is 3932239. The next prime is 3932281. The reversal of 3932240 is 422393.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3932240² = 30925022835200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 19661 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

Almost surely, 2^3932240 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 3932240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5208000).

3932240 is an abundant number, since it is smaller than the sum of its proper divisors (6483760).

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

3932240 is a wasteful number, since it uses less digits than its factorization.

3932240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3932240 is about 1982.9876449439. The cubic root of 3932240 is about 157.8386431544.

The spelling of 3932240 in words is "three million, nine hundred thirty-two thousand, two hundred forty".