273880981 has 8 divisors (see below), whose sum is σ = 298967904. Its totient is φ = 248825520.

The previous prime is 273880973. The next prime is 273881011. The reversal of 273880981 is 189088372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 273880981 - 2³ = 273880973 is a prime.

It is a super-2 number, since 2×273880981² = 150021583507044722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273880681) 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, 12691 + ... + 26623.

It is an arithmetic number, because the mean of its divisors is an integer number (37370988).

Almost surely, 2^273880981 is an apocalyptic number.

It is an amenable number.

273880981 is a deficient number, since it is larger than the sum of its proper divisors (25086923).

273880981 is a wasteful number, since it uses less digits than its factorization.

273880981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 273880981 is about 16549.3498663845. The cubic root of 273880981 is about 649.4124718609.

The spelling of 273880981 in words is "two hundred seventy-three million, eight hundred eighty thousand, nine hundred eighty-one".