3902828 has 24 divisors (see below), whose sum is σ = 7282800. Its totient is φ = 1824768.

The previous prime is 3902827. The next prime is 3902839. The reversal of 3902828 is 8282093.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3902794 and 3902803.

It is not an unprimeable number, because it can be changed into a prime (3902827) 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 7 ways as a sum of consecutive naturals, for example, 6476 + ... + 7052.

It is an arithmetic number, because the mean of its divisors is an integer number (303450).

Almost surely, 2^3902828 is an apocalyptic number.

3902828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3902828 is a deficient number, since it is larger than the sum of its proper divisors (3379972).

3902828 is a wasteful number, since it uses less digits than its factorization.

3902828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3902828 is about 1975.5576427935. The cubic root of 3902828 is about 157.4441290029. Note that the first 3 decimals are identical.

The spelling of 3902828 in words is "three million, nine hundred two thousand, eight hundred twenty-eight".