28935976 has 8 divisors (see below), whose sum is σ = 54254970. Its totient is φ = 14467984.

The previous prime is 28935971. The next prime is 28936003. The reversal of 28935976 is 67953982.

It can be written as a sum of positive squares in only one way, i.e., 28408900 + 527076 = 5330^2 + 726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (28935971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1808491 + ... + 1808506.

Almost surely, 2^28935976 is an apocalyptic number.

It is an amenable number.

28935976 is a deficient number, since it is larger than the sum of its proper divisors (25318994).

28935976 is a wasteful number, since it uses less digits than its factorization.

28935976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617003 (or 3616999 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 28935976 is about 5379.2170433995. The cubic root of 28935976 is about 307.0054217124.

The spelling of 28935976 in words is "twenty-eight million, nine hundred thirty-five thousand, nine hundred seventy-six".