28834156 has 12 divisors (see below), whose sum is σ = 54341392. Its totient is φ = 13308048.

The previous prime is 28834139. The next prime is 28834163. The reversal of 28834156 is 65143882.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277200 + ... + 277303.

Almost surely, 2^28834156 is an apocalyptic number.

28834156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28834156 is a deficient number, since it is larger than the sum of its proper divisors (25507236).

28834156 is a wasteful number, since it uses less digits than its factorization.

28834156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554520 (or 554518 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 28834156 is about 5369.7445004395. The cubic root of 28834156 is about 306.6449013118.

The spelling of 28834156 in words is "twenty-eight million, eight hundred thirty-four thousand, one hundred fifty-six".