28193354 has 16 divisors (see below), whose sum is σ = 50433408. Its totient is φ = 11557392.

The previous prime is 28193317. The next prime is 28193383. The reversal of 28193354 is 45339182.

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, 43457 + ... + 44100.

It is an arithmetic number, because the mean of its divisors is an integer number (3152088).

Almost surely, 2^28193354 is an apocalyptic number.

28193354 is a deficient number, since it is larger than the sum of its proper divisors (22240054).

28193354 is a wasteful number, since it uses less digits than its factorization.

28193354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87589.

The product of its digits is 25920, while the sum is 35.

The square root of 28193354 is about 5309.7414249660. The cubic root of 28193354 is about 304.3562665858.

The spelling of 28193354 in words is "twenty-eight million, one hundred ninety-three thousand, three hundred fifty-four".