28470488 has 8 divisors (see below), whose sum is σ = 53382180. Its totient is φ = 14235240.

The previous prime is 28470457. The next prime is 28470499. The reversal of 28470488 is 88407482.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1779398 + ... + 1779413.

Almost surely, 2^28470488 is an apocalyptic number.

It is an amenable number.

28470488 is a deficient number, since it is larger than the sum of its proper divisors (24911692).

28470488 is a wasteful number, since it uses less digits than its factorization.

28470488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558817 (or 3558813 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 28470488 is about 5335.7743580478. The cubic root of 28470488 is about 305.3502667691.

The spelling of 28470488 in words is "twenty-eight million, four hundred seventy thousand, four hundred eighty-eight".