28193094 has 12 divisors (see below), whose sum is σ = 61085076. Its totient is φ = 9397692.

The previous prime is 28193071. The next prime is 28193119. The reversal of 28193094 is 49039182.

It is a hoax number, since the sum of its digits (36) 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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 783124 + ... + 783159.

It is an arithmetic number, because the mean of its divisors is an integer number (5090423).

Almost surely, 2^28193094 is an apocalyptic number.

28193094 is an abundant number, since it is smaller than the sum of its proper divisors (32891982).

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

28193094 is a wasteful number, since it uses less digits than its factorization.

28193094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566291 (or 1566288 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 28193094 is about 5309.7169416081. The cubic root of 28193094 is about 304.3553309886.

The spelling of 28193094 in words is "twenty-eight million, one hundred ninety-three thousand, ninety-four".