90985441 has 8 divisors (see below), whose sum is σ = 94691520. Its totient is φ = 87317328.

The previous prime is 90985439. The next prime is 90985457. The reversal of 90985441 is 14458909.

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 90985441 - 2¹ = 90985439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90985394 and 90985403.

It is not an unprimeable number, because it can be changed into a prime (90985481) 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, 4551 + ... + 14236.

It is an arithmetic number, because the mean of its divisors is an integer number (11836440).

Almost surely, 2^90985441 is an apocalyptic number.

It is an amenable number.

90985441 is a deficient number, since it is larger than the sum of its proper divisors (3706079).

90985441 is a wasteful number, since it uses less digits than its factorization.

90985441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18983.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 90985441 is about 9538.6288846983. The cubic root of 90985441 is about 449.7701558747.

The spelling of 90985441 in words is "ninety million, nine hundred eighty-five thousand, four hundred forty-one".