28948678 has 8 divisors (see below), whose sum is σ = 47370600. Its totient is φ = 13158480.

The previous prime is 28948669. The next prime is 28948687. The reversal of 28948678 is 87684982.

It is an interprime number because it is at equal distance from previous prime (28948669) and next prime (28948687).

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, 657903 + ... + 657946.

It is an arithmetic number, because the mean of its divisors is an integer number (5921325).

Almost surely, 2^28948678 is an apocalyptic number.

28948678 is a deficient number, since it is larger than the sum of its proper divisors (18421922).

28948678 is a wasteful number, since it uses less digits than its factorization.

28948678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315862.

The product of its digits is 1548288, while the sum is 52.

The square root of 28948678 is about 5380.3975689534. The cubic root of 28948678 is about 307.0503371078.

The spelling of 28948678 in words is "twenty-eight million, nine hundred forty-eight thousand, six hundred seventy-eight".