275484906 has 48 divisors (see below), whose sum is σ = 623157288. Its totient is φ = 87868800.

The previous prime is 275484901. The next prime is 275484973. The reversal of 275484906 is 609484572.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 212139225 + 63345681 = 14565^2 + 7959^2 .

It is not an unprimeable number, because it can be changed into a prime (275484901) 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 23 ways as a sum of consecutive naturals, for example, 37236 + ... + 44016.

Almost surely, 2^275484906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275484906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311578644).

275484906 is an abundant number, since it is smaller than the sum of its proper divisors (347672382).

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

275484906 is a wasteful number, since it uses less digits than its factorization.

275484906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887 (or 6884 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 275484906 is about 16597.7379784114. The cubic root of 275484906 is about 650.6777199568.

The spelling of 275484906 in words is "two hundred seventy-five million, four hundred eighty-four thousand, nine hundred six".