486640739 has 12 divisors (see below), whose sum is σ = 549869616. Its totient is φ = 429672672.

The previous prime is 486640729. The next prime is 486640747. The reversal of 486640739 is 937046684.

It is not a de Polignac number, because 486640739 - 2¹⁶ = 486575203 is a prime.

It is a super-2 number, since 2×486640739² = 473638417708932242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 486640693 and 486640702.

It is not an unprimeable number, because it can be changed into a prime (486640729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58712 + ... + 66485.

It is an arithmetic number, because the mean of its divisors is an integer number (45822468).

Almost surely, 2^486640739 is an apocalyptic number.

486640739 is a deficient number, since it is larger than the sum of its proper divisors (63228877).

486640739 is a wasteful number, since it uses less digits than its factorization.

486640739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125246 (or 125233 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 486640739 is about 22059.9351540298. The cubic root of 486640739 is about 786.5677832435.

The spelling of 486640739 in words is "four hundred eighty-six million, six hundred forty thousand, seven hundred thirty-nine".