28667416 has 16 divisors (see below), whose sum is σ = 53879400. Its totient is φ = 14299584.

The previous prime is 28667411. The next prime is 28667417. The reversal of 28667416 is 61476682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28667411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501 + ... + 7588.

Almost surely, 2^28667416 is an apocalyptic number.

It is an amenable number.

28667416 is a deficient number, since it is larger than the sum of its proper divisors (25211984).

28667416 is a wasteful number, since it uses less digits than its factorization.

28667416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538 (or 8534 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 28667416 is about 5354.1961114625. The cubic root of 28667416 is about 306.0526772200.

The spelling of 28667416 in words is "twenty-eight million, six hundred sixty-seven thousand, four hundred sixteen".