90345319 has 8 divisors (see below), whose sum is σ = 91089648. Its totient is φ = 89604480.

The previous prime is 90345313. The next prime is 90345341. The reversal of 90345319 is 91354309.

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 90345319 - 2⁵ = 90345287 is a prime.

It is a super-2 number, since 2×90345319² = 16324553330423522, 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 (90345313) 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, 75909 + ... + 77089.

It is an arithmetic number, because the mean of its divisors is an integer number (11386206).

Almost surely, 2^90345319 is an apocalyptic number.

90345319 is a deficient number, since it is larger than the sum of its proper divisors (744329).

90345319 is a wasteful number, since it uses less digits than its factorization.

90345319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 90345319 is about 9505.0154655319. The cubic root of 90345319 is about 448.7128965839.

The spelling of 90345319 in words is "ninety million, three hundred forty-five thousand, three hundred nineteen".