90050319 has 32 divisors (see below), whose sum is σ = 138567680. Its totient is φ = 57736800.

The previous prime is 90050297. The next prime is 90050321. The reversal of 90050319 is 91305009.

It is not a de Polignac number, because 90050319 - 2¹¹ = 90048271 is a prime.

It is a super-2 number, since 2×90050319² = 16218119904003522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90050292 and 90050301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90050419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226629 + ... + 227025.

It is an arithmetic number, because the mean of its divisors is an integer number (4330240).

Almost surely, 2^90050319 is an apocalyptic number.

90050319 is a deficient number, since it is larger than the sum of its proper divisors (48517361).

90050319 is a wasteful number, since it uses less digits than its factorization.

90050319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 90050319 is about 9489.4846540790. The cubic root of 90050319 is about 448.2239775420.

The spelling of 90050319 in words is "ninety million, fifty thousand, three hundred nineteen".