28350885 has 16 divisors (see below), whose sum is σ = 46468800. Its totient is φ = 14751360.

The previous prime is 28350877. The next prime is 28350899. The reversal of 28350885 is 58805382.

It is not a de Polignac number, because 28350885 - 2³ = 28350877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22435 + ... + 23664.

It is an arithmetic number, because the mean of its divisors is an integer number (2904300).

Almost surely, 2^28350885 is an apocalyptic number.

It is an amenable number.

28350885 is a deficient number, since it is larger than the sum of its proper divisors (18117915).

28350885 is a wasteful number, since it uses less digits than its factorization.

28350885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46148.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 28350885 is about 5324.5549109761. The cubic root of 28350885 is about 304.9220798890.

The spelling of 28350885 in words is "twenty-eight million, three hundred fifty thousand, eight hundred eighty-five".