88686349 has 2 divisors, whose sum is σ = 88686350. Its totient is φ = 88686348.

The previous prime is 88686347. The next prime is 88686391. The reversal of 88686349 is 94368688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88454025 + 232324 = 9405^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 88686349 - 2¹ = 88686347 is a prime.

Together with 88686347, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 88686296 and 88686305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88686343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44343174 + 44343175.

It is an arithmetic number, because the mean of its divisors is an integer number (44343175).

Almost surely, 2^88686349 is an apocalyptic number.

It is an amenable number.

88686349 is a deficient number, since it is larger than the sum of its proper divisors (1).

88686349 is an equidigital number, since it uses as much as digits as its factorization.

88686349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 52.

The square root of 88686349 is about 9417.3429904618. The cubic root of 88686349 is about 445.9494084195.

The spelling of 88686349 in words is "eighty-eight million, six hundred eighty-six thousand, three hundred forty-nine".