28414328 has 16 divisors (see below), whose sum is σ = 53346480. Its totient is φ = 14188608.

The previous prime is 28414313. The next prime is 28414333. The reversal of 28414328 is 82341482.

It is a junction number, because it is equal to n+sod(n) for n = 28414294 and 28414303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900 + ... + 9572.

It is an arithmetic number, because the mean of its divisors is an integer number (3334155).

Almost surely, 2^28414328 is an apocalyptic number.

It is an amenable number.

28414328 is a deficient number, since it is larger than the sum of its proper divisors (24932152).

28414328 is a wasteful number, since it uses less digits than its factorization.

28414328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4642 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 28414328 is about 5330.5091689256. The cubic root of 28414328 is about 305.1493597941.

The spelling of 28414328 in words is "twenty-eight million, four hundred fourteen thousand, three hundred twenty-eight".