28490160 has 40 divisors (see below), whose sum is σ = 88320240. Its totient is φ = 7597312.

The previous prime is 28490153. The next prime is 28490167. The reversal of 28490160 is 6109482.

It is an interprime number because it is at equal distance from previous prime (28490153) and next prime (28490167).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (28490167) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 59115 + ... + 59594.

It is an arithmetic number, because the mean of its divisors is an integer number (2208006).

Almost surely, 2^28490160 is an apocalyptic number.

28490160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28490160 is an abundant number, since it is smaller than the sum of its proper divisors (59830080).

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

28490160 is a wasteful number, since it uses less digits than its factorization.

28490160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118725 (or 118719 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 28490160 is about 5337.6174460147. The cubic root of 28490160 is about 305.4205789637.

The spelling of 28490160 in words is "twenty-eight million, four hundred ninety thousand, one hundred sixty".