28263076 has 6 divisors (see below), whose sum is σ = 49460390. Its totient is φ = 14131536.

The previous prime is 28263071. The next prime is 28263091. The reversal of 28263076 is 67036282.

It can be written as a sum of positive squares in only one way, i.e., 17438976 + 10824100 = 4176^2 + 3290^2 .

It is not an unprimeable number, because it can be changed into a prime (28263071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532881 + ... + 3532888.

Almost surely, 2^28263076 is an apocalyptic number.

It is an amenable number.

28263076 is a deficient number, since it is larger than the sum of its proper divisors (21197314).

28263076 is a wasteful number, since it uses less digits than its factorization.

28263076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065773 (or 7065771 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 28263076 is about 5316.3028506661. The cubic root of 28263076 is about 304.6069504766.

The spelling of 28263076 in words is "twenty-eight million, two hundred sixty-three thousand, seventy-six".