486439381 has 8 divisors (see below), whose sum is σ = 490680000. Its totient is φ = 482217120.

The previous prime is 486439367. The next prime is 486439391. The reversal of 486439381 is 183934684.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-486439381 is a prime.

It is a super-2 number, since 2×486439381² = 473246542775326322, 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 (486439391) 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, 51570 + ... + 60268.

It is an arithmetic number, because the mean of its divisors is an integer number (61335000).

Almost surely, 2^486439381 is an apocalyptic number.

It is an amenable number.

486439381 is a deficient number, since it is larger than the sum of its proper divisors (4240619).

486439381 is a wasteful number, since it uses less digits than its factorization.

486439381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179.

The product of its digits is 497664, while the sum is 46.

The square root of 486439381 is about 22055.3707971551. The cubic root of 486439381 is about 786.4592818703.

The spelling of 486439381 in words is "four hundred eighty-six million, four hundred thirty-nine thousand, three hundred eighty-one".