270900028 has 60 divisors (see below), whose sum is σ = 562642472. Its totient is φ = 114095520.

The previous prime is 270899987. The next prime is 270900037. The reversal of 270900028 is 820009072.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 270899969 and 270900005.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 643258 + ... + 643678.

Almost surely, 2^270900028 is an apocalyptic number.

270900028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 270900028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281321236).

270900028 is an abundant number, since it is smaller than the sum of its proper divisors (291742444).

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

270900028 is an equidigital number, since it uses as much as digits as its factorization.

270900028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 270900028 is about 16459.0409198106. The cubic root of 270900028 is about 647.0477777346.

The spelling of 270900028 in words is "two hundred seventy million, nine hundred thousand, twenty-eight".