3728312 has 24 divisors (see below), whose sum is σ = 8132760. Its totient is φ = 1597680.

The previous prime is 3728311. The next prime is 3728317. The reversal of 3728312 is 2138273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4364 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (338865).

Almost surely, 2^3728312 is an apocalyptic number.

It is an amenable number.

3728312 is an abundant number, since it is smaller than the sum of its proper divisors (4404448).

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

3728312 is a wasteful number, since it uses less digits than its factorization.

3728312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531 (or 9520 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 3728312 is about 1930.8837354952. The cubic root of 3728312 is about 155.0615364403.

The spelling of 3728312 in words is "three million, seven hundred twenty-eight thousand, three hundred twelve".