90352687 has 8 divisors (see below), whose sum is σ = 91715456. Its totient is φ = 88998912.

The previous prime is 90352679. The next prime is 90352697. The reversal of 90352687 is 78625309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90352687 - 2³ = 90352679 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 (90352627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19543 + ... + 23719.

It is an arithmetic number, because the mean of its divisors is an integer number (11464432).

Almost surely, 2^90352687 is an apocalyptic number.

90352687 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

90352687 is a deficient number, since it is larger than the sum of its proper divisors (1362769).

90352687 is a wasteful number, since it uses less digits than its factorization.

90352687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 90352687 is about 9505.4030424806. The cubic root of 90352687 is about 448.7250943262.

The spelling of 90352687 in words is "ninety million, three hundred fifty-two thousand, six hundred eighty-seven".