28160254 has 4 divisors (see below), whose sum is σ = 42240384. Its totient is φ = 14080126.

The previous prime is 28160243. The next prime is 28160263. The reversal of 28160254 is 45206182.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7040062 + ... + 7040065.

It is an arithmetic number, because the mean of its divisors is an integer number (10560096).

Almost surely, 2^28160254 is an apocalyptic number.

28160254 is a deficient number, since it is larger than the sum of its proper divisors (14080130).

28160254 is a wasteful number, since it uses less digits than its factorization.

28160254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080129.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 28160254 is about 5306.6235969776. The cubic root of 28160254 is about 304.2371115835.

The spelling of 28160254 in words is "twenty-eight million, one hundred sixty thousand, two hundred fifty-four".