3148720 has 20 divisors (see below), whose sum is σ = 7320960. Its totient is φ = 1259456.

The previous prime is 3148697. The next prime is 3148741. The reversal of 3148720 is 278413.

3148720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

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, 19600 + ... + 19759.

It is an arithmetic number, because the mean of its divisors is an integer number (366048).

Almost surely, 2^3148720 is an apocalyptic number.

It is an amenable number.

3148720 is an abundant number, since it is smaller than the sum of its proper divisors (4172240).

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

3148720 is a wasteful number, since it uses less digits than its factorization.

3148720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39372 (or 39366 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3148720 is about 1774.4632991415. The cubic root of 3148720 is about 146.5698626589.

The spelling of 3148720 in words is "three million, one hundred forty-eight thousand, seven hundred twenty".