3728486 has 8 divisors (see below), whose sum is σ = 5650680. Its totient is φ = 1844928.

The previous prime is 3728479. The next prime is 3728489. The reversal of 3728486 is 6848273.

3728486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9416 + ... + 9803.

It is an arithmetic number, because the mean of its divisors is an integer number (706335).

Almost surely, 2^3728486 is an apocalyptic number.

3728486 is a deficient number, since it is larger than the sum of its proper divisors (1922194).

3728486 is a wasteful number, since it uses less digits than its factorization.

3728486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19318.

The product of its digits is 64512, while the sum is 38.

The square root of 3728486 is about 1930.9287920584. The cubic root of 3728486 is about 155.0639486390.

The spelling of 3728486 in words is "three million, seven hundred twenty-eight thousand, four hundred eighty-six".