28046398 has 8 divisors (see below), whose sum is σ = 42151608. Its totient is φ = 13995864.

The previous prime is 28046371. The next prime is 28046423. The reversal of 28046398 is 89364082.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28046398.

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, 12361 + ... + 14452.

It is an arithmetic number, because the mean of its divisors is an integer number (5268951).

Almost surely, 2^28046398 is an apocalyptic number.

28046398 is a deficient number, since it is larger than the sum of its proper divisors (14105210).

28046398 is a wasteful number, since it uses less digits than its factorization.

28046398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27338.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 28046398 is about 5295.8850063044. The cubic root of 28046398 is about 303.8265327878.

The spelling of 28046398 in words is "twenty-eight million, forty-six thousand, three hundred ninety-eight".