28194036 has 24 divisors (see below), whose sum is σ = 70846944. Its totient is φ = 8675040.

The previous prime is 28194011. The next prime is 28194059. The reversal of 28194036 is 63049182.

It is a junction number, because it is equal to n+sod(n) for n = 28193988 and 28194006.

It is a congruent 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, 90210 + ... + 90521.

It is an arithmetic number, because the mean of its divisors is an integer number (2951956).

Almost surely, 2^28194036 is an apocalyptic number.

28194036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28194036 is an abundant number, since it is smaller than the sum of its proper divisors (42652908).

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

28194036 is a wasteful number, since it uses less digits than its factorization.

28194036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180751 (or 180749 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 28194036 is about 5309.8056461607. The cubic root of 28194036 is about 304.3587207020.

The spelling of 28194036 in words is "twenty-eight million, one hundred ninety-four thousand, thirty-six".