28936294 has 8 divisors (see below), whose sum is σ = 44577648. Its totient is φ = 14077080.

The previous prime is 28936273. The next prime is 28936301. The reversal of 28936294 is 49263982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28936294² = 1674618220908872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28936294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195442 + ... + 195589.

It is an arithmetic number, because the mean of its divisors is an integer number (5572206).

Almost surely, 2^28936294 is an apocalyptic number.

28936294 is a deficient number, since it is larger than the sum of its proper divisors (15641354).

28936294 is a wasteful number, since it uses less digits than its factorization.

28936294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391070.

The product of its digits is 186624, while the sum is 43.

The square root of 28936294 is about 5379.2466015233. The cubic root of 28936294 is about 307.0065463490.

The spelling of 28936294 in words is "twenty-eight million, nine hundred thirty-six thousand, two hundred ninety-four".