28648410 has 32 divisors (see below), whose sum is σ = 78579072. Its totient is φ = 6548160.

The previous prime is 28648369. The next prime is 28648439. The reversal of 28648410 is 1484682.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68001 + ... + 68420.

It is an arithmetic number, because the mean of its divisors is an integer number (2455596).

Almost surely, 2^28648410 is an apocalyptic number.

28648410 is an abundant number, since it is smaller than the sum of its proper divisors (49930662).

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

28648410 is a wasteful number, since it uses less digits than its factorization.

28648410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136438.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28648410 is about 5352.4209475713. The cubic root of 28648410 is about 305.9850263936.

The spelling of 28648410 in words is "twenty-eight million, six hundred forty-eight thousand, four hundred ten".