28470463 has 8 divisors (see below), whose sum is σ = 32826528. Its totient is φ = 24186624.

The previous prime is 28470457. The next prime is 28470499. The reversal of 28470463 is 36407482.

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

It is a de Polignac number, because none of the positive numbers 2^k-28470463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28470413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17206 + ... + 18787.

It is an arithmetic number, because the mean of its divisors is an integer number (4103316).

Almost surely, 2^28470463 is an apocalyptic number.

28470463 is a deficient number, since it is larger than the sum of its proper divisors (4356065).

28470463 is a wasteful number, since it uses less digits than its factorization.

28470463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36113.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 28470463 is about 5335.7720153695. The cubic root of 28470463 is about 305.3501773929.

The spelling of 28470463 in words is "twenty-eight million, four hundred seventy thousand, four hundred sixty-three".