28535386 has 8 divisors (see below), whose sum is σ = 46694304. Its totient is φ = 12970620.

The previous prime is 28535383. The next prime is 28535393. The reversal of 28535386 is 68353582.

It is a happy number.

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 (28535383) 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, 648510 + ... + 648553.

It is an arithmetic number, because the mean of its divisors is an integer number (5836788).

Almost surely, 2^28535386 is an apocalyptic number.

28535386 is a deficient number, since it is larger than the sum of its proper divisors (18158918).

28535386 is a wasteful number, since it uses less digits than its factorization.

28535386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297076.

The product of its digits is 172800, while the sum is 40.

The square root of 28535386 is about 5341.8523004666. The cubic root of 28535386 is about 305.5821043060.

The spelling of 28535386 in words is "twenty-eight million, five hundred thirty-five thousand, three hundred eighty-six".