3912380 has 48 divisors (see below), whose sum is σ = 8963136. Its totient is φ = 1428480.

The previous prime is 3912379. The next prime is 3912401. The reversal of 3912380 is 832193.

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, 12425 + ... + 12735.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

Almost surely, 2^3912380 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 3912380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481568).

3912380 is an abundant number, since it is smaller than the sum of its proper divisors (5050756).

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

3912380 is a wasteful number, since it uses less digits than its factorization.

3912380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3912380 is about 1977.9737106443. The cubic root of 3912380 is about 157.5724702186.

The spelling of 3912380 in words is "three million, nine hundred twelve thousand, three hundred eighty".