90087441 has 4 divisors (see below), whose sum is σ = 120116592. Its totient is φ = 60058292.

The previous prime is 90087433. The next prime is 90087443. The reversal of 90087441 is 14478009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90087441 - 2³ = 90087433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90087443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15014571 + ... + 15014576.

It is an arithmetic number, because the mean of its divisors is an integer number (30029148).

Almost surely, 2^90087441 is an apocalyptic number.

It is an amenable number.

90087441 is a deficient number, since it is larger than the sum of its proper divisors (30029151).

90087441 is a wasteful number, since it uses less digits than its factorization.

90087441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30029150.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 90087441 is about 9491.4404070194. The cubic root of 90087441 is about 448.2855604614.

The spelling of 90087441 in words is "ninety million, eighty-seven thousand, four hundred forty-one".