28540482 has 8 divisors (see below), whose sum is σ = 57080976. Its totient is φ = 9513492.

The previous prime is 28540441. The next prime is 28540507. The reversal of 28540482 is 28404582.

It is a happy number.

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

28540482 is an admirable number.

It is a super-2 number, since 2×28540482² = 1629118225584648, which contains 22 as substring.

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, 2378368 + ... + 2378379.

It is an arithmetic number, because the mean of its divisors is an integer number (7135122).

Almost surely, 2^28540482 is an apocalyptic number.

28540482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28540482 is a wasteful number, since it uses less digits than its factorization.

28540482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756752.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 28540482 is about 5342.3292672766. The cubic root of 28540482 is about 305.6002940455.

The spelling of 28540482 in words is "twenty-eight million, five hundred forty thousand, four hundred eighty-two".