90065234 has 12 divisors (see below), whose sum is σ = 157154814. Its totient is φ = 38599344.

The previous prime is 90065231. The next prime is 90065237. The reversal of 90065234 is 43256009.

It is an interprime number because it is at equal distance from previous prime (90065231) and next prime (90065237).

It can be written as a sum of positive squares in only one way, i.e., 85507009 + 4558225 = 9247^2 + 2135^2 .

It is a super-2 number, since 2×90065234² = 16223492750949512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90065197 and 90065206.

It is not an unprimeable number, because it can be changed into a prime (90065231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459419 + ... + 459614.

Almost surely, 2^90065234 is an apocalyptic number.

90065234 is a deficient number, since it is larger than the sum of its proper divisors (67089580).

90065234 is a wasteful number, since it uses less digits than its factorization.

90065234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919049 (or 919042 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90065234 is about 9490.2704914033. The cubic root of 90065234 is about 448.2487225647.

The spelling of 90065234 in words is "ninety million, sixty-five thousand, two hundred thirty-four".