28074386 has 8 divisors (see below), whose sum is σ = 42414960. Its totient is φ = 13936068.

The previous prime is 28074377. The next prime is 28074391. The reversal of 28074386 is 68347082.

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

It is a super-2 number, since 2×28074386² = 1576342298553992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50216 + ... + 50771.

It is an arithmetic number, because the mean of its divisors is an integer number (5301870).

Almost surely, 2^28074386 is an apocalyptic number.

28074386 is a deficient number, since it is larger than the sum of its proper divisors (14340574).

28074386 is a wasteful number, since it uses less digits than its factorization.

28074386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101128.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 28074386 is about 5298.5267763785. The cubic root of 28074386 is about 303.9275638241.

The spelling of 28074386 in words is "twenty-eight million, seventy-four thousand, three hundred eighty-six".