28590466 has 4 divisors (see below), whose sum is σ = 42885702. Its totient is φ = 14295232.

The previous prime is 28590461. The next prime is 28590487. The reversal of 28590466 is 66409582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20439441 + 8151025 = 4521^2 + 2855^2 .

It is not an unprimeable number, because it can be changed into a prime (28590461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7147615 + ... + 7147618.

Almost surely, 2^28590466 is an apocalyptic number.

28590466 is a deficient number, since it is larger than the sum of its proper divisors (14295236).

28590466 is a wasteful number, since it uses less digits than its factorization.

28590466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14295235.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 28590466 is about 5347.0053300890. The cubic root of 28590466 is about 305.7785930252.

The spelling of 28590466 in words is "twenty-eight million, five hundred ninety thousand, four hundred sixty-six".