86298649 has 2 divisors, whose sum is σ = 86298650. Its totient is φ = 86298648.

The previous prime is 86298631. The next prime is 86298671. The reversal of 86298649 is 94689268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 21206025 = 8068^2 + 4605^2 .

It is a cyclic number.

It is not a de Polignac number, because 86298649 - 2⁵ = 86298617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86298596 and 86298605.

It is not a weakly prime, because it can be changed into another prime (86292649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43149324 + 43149325.

It is an arithmetic number, because the mean of its divisors is an integer number (43149325).

Almost surely, 2^86298649 is an apocalyptic number.

It is an amenable number.

86298649 is a deficient number, since it is larger than the sum of its proper divisors (1).

86298649 is an equidigital number, since it uses as much as digits as its factorization.

86298649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 86298649 is about 9289.7066153889. The cubic root of 86298649 is about 441.9108509624.

The spelling of 86298649 in words is "eighty-six million, two hundred ninety-eight thousand, six hundred forty-nine".