28010130 has 16 divisors (see below), whose sum is σ = 67224384. Its totient is φ = 7469360.

The previous prime is 28010119. The next prime is 28010131. The reversal of 28010130 is 3101082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (28010131) 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, 466806 + ... + 466865.

It is an arithmetic number, because the mean of its divisors is an integer number (4201524).

Almost surely, 2^28010130 is an apocalyptic number.

28010130 is an abundant number, since it is smaller than the sum of its proper divisors (39214254).

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

28010130 is a wasteful number, since it uses less digits than its factorization.

28010130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933681.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 28010130 is about 5292.4597305979. The cubic root of 28010130 is about 303.6955125893.

The spelling of 28010130 in words is "twenty-eight million, ten thousand, one hundred thirty".