28103950 has 36 divisors (see below), whose sum is σ = 60813072. Its totient is φ = 9634800.

The previous prime is 28103947. The next prime is 28104007. The reversal of 28103950 is 5930182.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 17 ways as a sum of consecutive naturals, for example, 3286 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (1689252).

Almost surely, 2^28103950 is an apocalyptic number.

28103950 is an abundant number, since it is smaller than the sum of its proper divisors (32709122).

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

28103950 is a wasteful number, since it uses less digits than its factorization.

28103950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497 (or 11485 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 28103950 is about 5301.3158743844. The cubic root of 28103950 is about 304.0342110044.

The spelling of 28103950 in words is "twenty-eight million, one hundred three thousand, nine hundred fifty".