90064833 has 16 divisors (see below), whose sum is σ = 123431616. Its totient is φ = 58383360.

The previous prime is 90064829. The next prime is 90064837. The reversal of 90064833 is 33846009.

It is an interprime number because it is at equal distance from previous prime (90064829) and next prime (90064837).

It is not a de Polignac number, because 90064833 - 2² = 90064829 is a prime.

It is a super-2 number, since 2×90064833² = 16223348286635778, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90064794 and 90064803.

It is not an unprimeable number, because it can be changed into a prime (90064837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29641 + ... + 32537.

It is an arithmetic number, because the mean of its divisors is an integer number (7714476).

Almost surely, 2^90064833 is an apocalyptic number.

It is an amenable number.

90064833 is a deficient number, since it is larger than the sum of its proper divisors (33366783).

90064833 is a wasteful number, since it uses less digits than its factorization.

90064833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 90064833 is about 9490.2493644793. The cubic root of 90064833 is about 448.2480573135.

The spelling of 90064833 in words is "ninety million, sixty-four thousand, eight hundred thirty-three".