28935916 has 6 divisors (see below), whose sum is σ = 50637860. Its totient is φ = 14467956.

The previous prime is 28935913. The next prime is 28935919. The reversal of 28935916 is 61953982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28935913) and next prime (28935919).

It is not an unprimeable number, because it can be changed into a prime (28935913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3616986 + ... + 3616993.

Almost surely, 2^28935916 is an apocalyptic number.

It is an amenable number.

28935916 is a deficient number, since it is larger than the sum of its proper divisors (21701944).

28935916 is a wasteful number, since it uses less digits than its factorization.

28935916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233983 (or 7233981 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 28935916 is about 5379.2114663768. The cubic root of 28935916 is about 307.0052095159.

The spelling of 28935916 in words is "twenty-eight million, nine hundred thirty-five thousand, nine hundred sixteen".