28460490 has 32 divisors (see below), whose sum is σ = 68774400. Its totient is φ = 7537344.

The previous prime is 28460477. The next prime is 28460491. The reversal of 28460490 is 9406482.

It is not an unprimeable number, because it can be changed into a prime (28460491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (2149200).

Almost surely, 2^28460490 is an apocalyptic number.

28460490 is an abundant number, since it is smaller than the sum of its proper divisors (40313910).

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

28460490 is a wasteful number, since it uses less digits than its factorization.

28460490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 28460490 is about 5334.8373920861. The cubic root of 28460490 is about 305.3145192330.

The spelling of 28460490 in words is "twenty-eight million, four hundred sixty thousand, four hundred ninety".