486772981 has 8 divisors (see below), whose sum is σ = 488744928. Its totient is φ = 484806000.

The previous prime is 486772921. The next prime is 486772987. The reversal of 486772981 is 189277684.

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 486772981 - 2¹⁵ = 486740213 is a prime.

It is a super-2 number, since 2×486772981² = 473895870063252722, 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 (486772987) 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, 476251 + ... + 477271.

It is an arithmetic number, because the mean of its divisors is an integer number (61093116).

Almost surely, 2^486772981 is an apocalyptic number.

It is an amenable number.

486772981 is a deficient number, since it is larger than the sum of its proper divisors (1971947).

486772981 is a wasteful number, since it uses less digits than its factorization.

486772981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483.

The product of its digits is 1354752, while the sum is 52.

The square root of 486772981 is about 22062.9322847168. The cubic root of 486772981 is about 786.6390253103.

The spelling of 486772981 in words is "four hundred eighty-six million, seven hundred seventy-two thousand, nine hundred eighty-one".