28808995 has 16 divisors (see below), whose sum is σ = 36622080. Its totient is φ = 21710304.

The previous prime is 28808993. The next prime is 28809007. The reversal of 28808995 is 59980882.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28808995 - 2¹ = 28808993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28808993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5836 + ... + 9574.

It is an arithmetic number, because the mean of its divisors is an integer number (2288880).

Almost surely, 2^28808995 is an apocalyptic number.

28808995 is a deficient number, since it is larger than the sum of its proper divisors (7813085).

28808995 is a wasteful number, since it uses less digits than its factorization.

28808995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834.

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 28808995 is about 5367.4011402167. The cubic root of 28808995 is about 306.5556814567. Note that the first 3 decimals are identical.

The spelling of 28808995 in words is "twenty-eight million, eight hundred eight thousand, nine hundred ninety-five".