270820836 has 144 divisors (see below), whose sum is σ = 830688768. Its totient is φ = 73267200.

The previous prime is 270820811. The next prime is 270820841. The reversal of 270820836 is 638028072.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 270820836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158740 + ... + 160436.

It is an arithmetic number, because the mean of its divisors is an integer number (5768672).

Almost surely, 2^270820836 is an apocalyptic number.

270820836 is a gapful number since it is divisible by the number (26) 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 270820836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415344384).

270820836 is an abundant number, since it is smaller than the sum of its proper divisors (559867932).

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

270820836 is a wasteful number, since it uses less digits than its factorization.

270820836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 270820836 is about 16456.6350144858. The cubic root of 270820836 is about 646.9847212609.

The spelling of 270820836 in words is "two hundred seventy million, eight hundred twenty thousand, eight hundred thirty-six".