90942841 has 8 divisors (see below), whose sum is σ = 99379584. Its totient is φ = 82534320.

The previous prime is 90942829. The next prime is 90942847. The reversal of 90942841 is 14824909.

It is a happy number.

90942841 is a nontrivial binomial coefficient, being equal to C(13487, 2).

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

It is a de Polignac number, because none of the positive numbers 2^k-90942841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90942841.

It is not an unprimeable number, because it can be changed into a prime (90942847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (12422448).

Almost surely, 2^90942841 is an apocalyptic number.

90942841 is the 13486-th triangular number.

90942841 is the 4496-th centered nonagonal number.

It is an amenable number.

90942841 is a deficient number, since it is larger than the sum of its proper divisors (8436743).

90942841 is a wasteful number, since it uses less digits than its factorization.

90942841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14111.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 90942841 is about 9536.3955979185. The cubic root of 90942841 is about 449.6999497717.

It can be divided in two parts, 9094 and 2841, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 90942841 in words is "ninety million, nine hundred forty-two thousand, eight hundred forty-one".