88503649 has 12 divisors (see below), whose sum is σ = 101252284. Its totient is φ = 76886784.

The previous prime is 88503637. The next prime is 88503671. The reversal of 88503649 is 94630588.

It can be written as a sum of positive squares in 6 ways, for example, as 6275025 + 82228624 = 2505^2 + 9068^2 .

It is a de Polignac number, because none of the positive numbers 2^k-88503649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88503689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8022 + ... + 15535.

Almost surely, 2^88503649 is an apocalyptic number.

It is an amenable number.

88503649 is a deficient number, since it is larger than the sum of its proper divisors (12748635).

88503649 is a wasteful number, since it uses less digits than its factorization.

88503649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23604 (or 23587 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 88503649 is about 9407.6378012762. The cubic root of 88503649 is about 445.6429690408.

The spelling of 88503649 in words is "eighty-eight million, five hundred three thousand, six hundred forty-nine".