28690295 has 8 divisors (see below), whose sum is σ = 34676880. Its totient is φ = 22786560.

The previous prime is 28690289. The next prime is 28690297. The reversal of 28690295 is 59209682.

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

It is not a de Polignac number, because 28690295 - 2⁴ = 28690279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28690297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19946 + ... + 21335.

It is an arithmetic number, because the mean of its divisors is an integer number (4334610).

Almost surely, 2^28690295 is an apocalyptic number.

28690295 is a deficient number, since it is larger than the sum of its proper divisors (5986585).

28690295 is a wasteful number, since it uses less digits than its factorization.

28690295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41425.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 28690295 is about 5356.3322339078. The cubic root of 28690295 is about 306.1340741301.

The spelling of 28690295 in words is "twenty-eight million, six hundred ninety thousand, two hundred ninety-five".