3728319 has 8 divisors (see below), whose sum is σ = 5681280. Its totient is φ = 2130456.

The previous prime is 3728317. The next prime is 3728357. The reversal of 3728319 is 9138273.

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

It is not a de Polignac number, because 3728319 - 2¹ = 3728317 is a prime.

It is a super-2 number, since 2×3728319² = 27800725131522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3728319.

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 7 ways as a sum of consecutive naturals, for example, 88749 + ... + 88790.

It is an arithmetic number, because the mean of its divisors is an integer number (710160).

Almost surely, 2^3728319 is an apocalyptic number.

3728319 is a deficient number, since it is larger than the sum of its proper divisors (1952961).

3728319 is a wasteful number, since it uses less digits than its factorization.

3728319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177549.

The product of its digits is 9072, while the sum is 33.

The square root of 3728319 is about 1930.8855481359. The cubic root of 3728319 is about 155.0616334842.

The spelling of 3728319 in words is "three million, seven hundred twenty-eight thousand, three hundred nineteen".