28196958 has 8 divisors (see below), whose sum is σ = 56393928. Its totient is φ = 9398984.

The previous prime is 28196953. The next prime is 28196963. The reversal of 28196958 is 85969182.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28196953) and next prime (28196963).

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

28196958 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28196953) 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, 2349741 + ... + 2349752.

It is an arithmetic number, because the mean of its divisors is an integer number (7049241).

Almost surely, 2^28196958 is an apocalyptic number.

28196958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28196958 is a wasteful number, since it uses less digits than its factorization.

28196958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699498.

The product of its digits is 311040, while the sum is 48.

The square root of 28196958 is about 5310.0807903458. The cubic root of 28196958 is about 304.3692348105.

The spelling of 28196958 in words is "twenty-eight million, one hundred ninety-six thousand, nine hundred fifty-eight".