28648862 has 8 divisors (see below), whose sum is σ = 46879992. Its totient is φ = 13022200.

The previous prime is 28648843. The next prime is 28648871. The reversal of 28648862 is 26884682.

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, 651089 + ... + 651132.

It is an arithmetic number, because the mean of its divisors is an integer number (5859999).

Almost surely, 2^28648862 is an apocalyptic number.

28648862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28648862 is a deficient number, since it is larger than the sum of its proper divisors (18231130).

28648862 is a wasteful number, since it uses less digits than its factorization.

28648862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302234.

The product of its digits is 294912, while the sum is 44.

The square root of 28648862 is about 5352.4631712885. The cubic root of 28648862 is about 305.9866356104.

The spelling of 28648862 in words is "twenty-eight million, six hundred forty-eight thousand, eight hundred sixty-two".