28214294 has 8 divisors (see below), whose sum is σ = 42414240. Its totient is φ = 14076216.

The previous prime is 28214267. The next prime is 28214299. The reversal of 28214294 is 49241282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28214294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14309 + ... + 16160.

It is an arithmetic number, because the mean of its divisors is an integer number (5301780).

Almost surely, 2^28214294 is an apocalyptic number.

28214294 is a deficient number, since it is larger than the sum of its proper divisors (14199946).

28214294 is a wasteful number, since it uses less digits than its factorization.

28214294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30934.

The product of its digits is 9216, while the sum is 32.

The square root of 28214294 is about 5311.7129063985. The cubic root of 28214294 is about 304.4315992690.

The spelling of 28214294 in words is "twenty-eight million, two hundred fourteen thousand, two hundred ninety-four".