28583938 has 16 divisors (see below), whose sum is σ = 43781760. Its totient is φ = 13993200.

The previous prime is 28583927. The next prime is 28583941. The reversal of 28583938 is 83938582.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20008 + ... + 21388.

It is an arithmetic number, because the mean of its divisors is an integer number (2736360).

Almost surely, 2^28583938 is an apocalyptic number.

28583938 is a deficient number, since it is larger than the sum of its proper divisors (15197822).

28583938 is a wasteful number, since it uses less digits than its factorization.

28583938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593.

The product of its digits is 414720, while the sum is 46.

The square root of 28583938 is about 5346.3948600903. The cubic root of 28583938 is about 305.7553186629.

The spelling of 28583938 in words is "twenty-eight million, five hundred eighty-three thousand, nine hundred thirty-eight".