28154058 has 16 divisors (see below), whose sum is σ = 56596320. Its totient is φ = 9336656.

The previous prime is 28154051. The next prime is 28154059. The reversal of 28154058 is 85045182.

It is not an unprimeable number, because it can be changed into a prime (28154051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10728 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (3537270).

Almost surely, 2^28154058 is an apocalyptic number.

28154058 is an abundant number, since it is smaller than the sum of its proper divisors (28442262).

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

28154058 is a wasteful number, since it uses less digits than its factorization.

28154058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24021.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 28154058 is about 5306.0397661533. The cubic root of 28154058 is about 304.2147965455.

The spelling of 28154058 in words is "twenty-eight million, one hundred fifty-four thousand, fifty-eight".