28197358 has 8 divisors (see below), whose sum is σ = 48338352. Its totient is φ = 12084576.

The previous prime is 28197347. The next prime is 28197359. The reversal of 28197358 is 85379182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28197359) 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, 1007035 + ... + 1007062.

It is an arithmetic number, because the mean of its divisors is an integer number (6042294).

Almost surely, 2^28197358 is an apocalyptic number.

28197358 is a deficient number, since it is larger than the sum of its proper divisors (20140994).

28197358 is a wasteful number, since it uses less digits than its factorization.

28197358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014106.

The product of its digits is 120960, while the sum is 43.

The square root of 28197358 is about 5310.1184544227. The cubic root of 28197358 is about 304.3706740570.

The spelling of 28197358 in words is "twenty-eight million, one hundred ninety-seven thousand, three hundred fifty-eight".