28295398 has 8 divisors (see below), whose sum is σ = 42728400. Its totient is φ = 14052600.

The previous prime is 28295383. The next prime is 28295431. The reversal of 28295398 is 89359282.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47178 + ... + 47773.

It is an arithmetic number, because the mean of its divisors is an integer number (5341050).

Almost surely, 2^28295398 is an apocalyptic number.

28295398 is a deficient number, since it is larger than the sum of its proper divisors (14433002).

28295398 is a wasteful number, since it uses less digits than its factorization.

28295398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95102.

The product of its digits is 311040, while the sum is 46.

The square root of 28295398 is about 5319.3418765859. The cubic root of 28295398 is about 304.7230236539.

The spelling of 28295398 in words is "twenty-eight million, two hundred ninety-five thousand, three hundred ninety-eight".