986520739 has 2 divisors, whose sum is σ = 986520740. Its totient is φ = 986520738.

The previous prime is 986520707. The next prime is 986520791. The reversal of 986520739 is 937025689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 986520739 - 2⁵ = 986520707 is a prime.

It is a super-2 number, since 2×986520739² = 1946446336954212242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 986520692 and 986520701.

It is not a weakly prime, because it can be changed into another prime (986520839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493260369 + 493260370.

It is an arithmetic number, because the mean of its divisors is an integer number (493260370).

Almost surely, 2^986520739 is an apocalyptic number.

986520739 is a deficient number, since it is larger than the sum of its proper divisors (1).

986520739 is an equidigital number, since it uses as much as digits as its factorization.

986520739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 986520739 is about 31408.9276958001. The cubic root of 986520739 is about 995.4865726210.

The spelling of 986520739 in words is "nine hundred eighty-six million, five hundred twenty thousand, seven hundred thirty-nine".