28412386 has 8 divisors (see below), whose sum is σ = 42641244. Its totient is φ = 14198640.

The previous prime is 28412369. The next prime is 28412387. The reversal of 28412386 is 68321482.

It can be written as a sum of positive squares in 2 ways, for example, as 28143025 + 269361 = 5305^2 + 519^2 .

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 (28412387) 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, 5056 + ... + 9076.

Almost surely, 2^28412386 is an apocalyptic number.

28412386 is a deficient number, since it is larger than the sum of its proper divisors (14228858).

28412386 is a wasteful number, since it uses less digits than its factorization.

28412386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556.

The product of its digits is 18432, while the sum is 34.

The square root of 28412386 is about 5330.3270068543. The cubic root of 28412386 is about 305.1424077432.

The spelling of 28412386 in words is "twenty-eight million, four hundred twelve thousand, three hundred eighty-six".