28269950 has 24 divisors (see below), whose sum is σ = 52978752. Its totient is φ = 11222720.

The previous prime is 28269949. The next prime is 28269953. The reversal of 28269950 is 5996282.

It is a junction number, because it is equal to n+sod(n) for n = 28269898 and 28269907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28269953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4787 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (2207448).

Almost surely, 2^28269950 is an apocalyptic number.

28269950 is a deficient number, since it is larger than the sum of its proper divisors (24708802).

28269950 is a wasteful number, since it uses less digits than its factorization.

28269950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 28269950 is about 5316.9493132811. The cubic root of 28269950 is about 304.6316434535.

The spelling of 28269950 in words is "twenty-eight million, two hundred sixty-nine thousand, nine hundred fifty".