3728634 has 32 divisors (see below), whose sum is σ = 9179520. Its totient is φ = 983232.

The previous prime is 3728633. The next prime is 3728671. The reversal of 3728634 is 4368273.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3728595 and 3728604.

It is not an unprimeable number, because it can be changed into a prime (3728633) by changing a digit.

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, 2869 + ... + 3960.

It is an arithmetic number, because the mean of its divisors is an integer number (286860).

Almost surely, 2^3728634 is an apocalyptic number.

3728634 is an abundant number, since it is smaller than the sum of its proper divisors (5450886).

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

3728634 is a wasteful number, since it uses less digits than its factorization.

3728634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854.

The product of its digits is 24192, while the sum is 33.

The square root of 3728634 is about 1930.9671152042. The cubic root of 3728634 is about 155.0660003351.

The spelling of 3728634 in words is "three million, seven hundred twenty-eight thousand, six hundred thirty-four".