28346998 has 8 divisors (see below), whose sum is σ = 42544008. Its totient is φ = 14165664.

The previous prime is 28346957. The next prime is 28347001. The reversal of 28346998 is 89964382.

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

It is a super-2 number, since 2×28346998² = 1607104591224008, which contains 22 as substring.

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, 3165 + ... + 8167.

It is an arithmetic number, because the mean of its divisors is an integer number (5318001).

Almost surely, 2^28346998 is an apocalyptic number.

28346998 is a deficient number, since it is larger than the sum of its proper divisors (14197010).

28346998 is a wasteful number, since it uses less digits than its factorization.

28346998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838.

The product of its digits is 746496, while the sum is 49.

The square root of 28346998 is about 5324.1898914295. The cubic root of 28346998 is about 304.9081439772.

The spelling of 28346998 in words is "twenty-eight million, three hundred forty-six thousand, nine hundred ninety-eight".