486310981 has 32 divisors (see below), whose sum is σ = 557706240. Its totient is φ = 420940800.

The previous prime is 486310973. The next prime is 486310997. The reversal of 486310981 is 189013684.

It is a cyclic number.

It is not a de Polignac number, because 486310981 - 2³ = 486310973 is a prime.

It is a super-2 number, since 2×486310981² = 472996740482364722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486310921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2686711 + ... + 2686891.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 2^486310981 is an apocalyptic number.

It is an amenable number.

486310981 is a deficient number, since it is larger than the sum of its proper divisors (71395259).

486310981 is a wasteful number, since it uses less digits than its factorization.

486310981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 486310981 is about 22052.4597494248. The cubic root of 486310981 is about 786.3900781407.

The spelling of 486310981 in words is "four hundred eighty-six million, three hundred ten thousand, nine hundred eighty-one".