28354214 has 16 divisors (see below), whose sum is σ = 48794400. Its totient is φ = 12105024.

The previous prime is 28354201. The next prime is 28354223. The reversal of 28354214 is 41245382.

It is a happy number.

It is a super-2 number, since 2×28354214² = 1607922903115592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 2 + ... + 7530.

It is an arithmetic number, because the mean of its divisors is an integer number (3049650).

Almost surely, 2^28354214 is an apocalyptic number.

28354214 is a deficient number, since it is larger than the sum of its proper divisors (20440186).

28354214 is a wasteful number, since it uses less digits than its factorization.

28354214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807.

The product of its digits is 7680, while the sum is 29.

The square root of 28354214 is about 5324.8675100889. The cubic root of 28354214 is about 304.9340142122.

Adding to 28354214 its reverse (41245382), we get a palindrome (69599596).

The spelling of 28354214 in words is "twenty-eight million, three hundred fifty-four thousand, two hundred fourteen".