3728798 has 4 divisors (see below), whose sum is σ = 5593200. Its totient is φ = 1864398.

The previous prime is 3728789. The next prime is 3728821. The reversal of 3728798 is 8978273.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 932198 + ... + 932201.

It is an arithmetic number, because the mean of its divisors is an integer number (1398300).

Almost surely, 2^3728798 is an apocalyptic number.

3728798 is a deficient number, since it is larger than the sum of its proper divisors (1864402).

3728798 is a wasteful number, since it uses less digits than its factorization.

3728798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864401.

The product of its digits is 169344, while the sum is 44.

The square root of 3728798 is about 1931.0095805045. The cubic root of 3728798 is about 155.0682737728.

The spelling of 3728798 in words is "three million, seven hundred twenty-eight thousand, seven hundred ninety-eight".