28914068 has 6 divisors (see below), whose sum is σ = 50599626. Its totient is φ = 14457032.

The previous prime is 28914043. The next prime is 28914113. The reversal of 28914068 is 86041982.

It can be written as a sum of positive squares in only one way, i.e., 27857284 + 1056784 = 5278^2 + 1028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614255 + ... + 3614262.

It is an arithmetic number, because the mean of its divisors is an integer number (8433271).

Almost surely, 2^28914068 is an apocalyptic number.

It is an amenable number.

28914068 is a deficient number, since it is larger than the sum of its proper divisors (21685558).

28914068 is a wasteful number, since it uses less digits than its factorization.

28914068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228521 (or 7228519 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 28914068 is about 5377.1803019798. The cubic root of 28914068 is about 306.9279221905.

The spelling of 28914068 in words is "twenty-eight million, nine hundred fourteen thousand, sixty-eight".