90003919 has 8 divisors (see below), whose sum is σ = 92390400. Its totient is φ = 87637176.

The previous prime is 90003917. The next prime is 90003923. The reversal of 90003919 is 91930009.

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 90003919 - 2¹ = 90003917 is a prime.

It is a super-2 number, since 2×90003919² = 16201410870717122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90003917) 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, 4542 + ... + 14164.

It is an arithmetic number, because the mean of its divisors is an integer number (11548800).

Almost surely, 2^90003919 is an apocalyptic number.

90003919 is a deficient number, since it is larger than the sum of its proper divisors (2386481).

90003919 is a wasteful number, since it uses less digits than its factorization.

90003919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9869.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 90003919 is about 9487.0395276925. The cubic root of 90003919 is about 448.1469792373.

The spelling of 90003919 in words is "ninety million, three thousand, nine hundred nineteen".