3728814 has 32 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1156992.

The previous prime is 3728789. The next prime is 3728821. The reversal of 3728814 is 4188273.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14047 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^3728814 is an apocalyptic number.

3728814 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3728814 is an abundant number, since it is smaller than the sum of its proper divisors (4254546).

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

3728814 is a wasteful number, since it uses less digits than its factorization.

3728814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its digits is 10752, while the sum is 33.

The square root of 3728814 is about 1931.0137234106. The cubic root of 3728814 is about 155.0684955680.

The spelling of 3728814 in words is "three million, seven hundred twenty-eight thousand, eight hundred fourteen".