28767016 has 8 divisors (see below), whose sum is σ = 53938170. Its totient is φ = 14383504.

The previous prime is 28766993. The next prime is 28767031. The reversal of 28767016 is 61076782.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 11874916 = 4110^2 + 3446^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1797931 + ... + 1797946.

Almost surely, 2^28767016 is an apocalyptic number.

It is an amenable number.

28767016 is a deficient number, since it is larger than the sum of its proper divisors (25171154).

28767016 is a wasteful number, since it uses less digits than its factorization.

28767016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595883 (or 3595879 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 28767016 is about 5363.4891628491. The cubic root of 28767016 is about 306.4067099677.

The spelling of 28767016 in words is "twenty-eight million, seven hundred sixty-seven thousand, sixteen".