27853480 has 32 divisors (see below), whose sum is σ = 66358440. Its totient is φ = 10485760.

The previous prime is 27853447. The next prime is 27853481. The reversal of 27853480 is 8435872.

It can be written as a sum of positive squares in 4 ways, for example, as 27688644 + 164836 = 5262^2 + 406^2 .

It is a super-2 number, since 2×27853480² = 1551632696220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27853481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19801 + ... + 21160.

Almost surely, 2^27853480 is an apocalyptic number.

27853480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27853480 is an abundant number, since it is smaller than the sum of its proper divisors (38504960).

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

27853480 is a wasteful number, since it uses less digits than its factorization.

27853480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40989 (or 40985 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 27853480 is about 5277.6396239228. The cubic root of 27853480 is about 303.1283027238.

The spelling of 27853480 in words is "twenty-seven million, eight hundred fifty-three thousand, four hundred eighty".