28054442 has 16 divisors (see below), whose sum is σ = 46781952. Its totient is φ = 12530160.

The previous prime is 28054409. The next prime is 28054451. The reversal of 28054442 is 24445082.

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, 16598 + ... + 18209.

It is an arithmetic number, because the mean of its divisors is an integer number (2923872).

Almost surely, 2^28054442 is an apocalyptic number.

28054442 is a deficient number, since it is larger than the sum of its proper divisors (18727510).

28054442 is a wasteful number, since it uses less digits than its factorization.

28054442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34853.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 28054442 is about 5296.6444094351. The cubic root of 28054442 is about 303.8555768860.

The spelling of 28054442 in words is "twenty-eight million, fifty-four thousand, four hundred forty-two".