28338466 has 8 divisors (see below), whose sum is σ = 45777564. Its totient is φ = 13079280.

The previous prime is 28338463. The next prime is 28338491. The reversal of 28338466 is 66483382.

It can be written as a sum of positive squares in 2 ways, for example, as 27783441 + 555025 = 5271^2 + 745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28338463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544945 + ... + 544996.

Almost surely, 2^28338466 is an apocalyptic number.

28338466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28338466 is a deficient number, since it is larger than the sum of its proper divisors (17439098).

28338466 is a wasteful number, since it uses less digits than its factorization.

28338466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089956.

The product of its digits is 165888, while the sum is 40.

The square root of 28338466 is about 5323.3885824726. The cubic root of 28338466 is about 304.8775500576.

The spelling of 28338466 in words is "twenty-eight million, three hundred thirty-eight thousand, four hundred sixty-six".