90651433 has 8 divisors (see below), whose sum is σ = 91728000. Its totient is φ = 89578848.

The previous prime is 90651401. The next prime is 90651437. The reversal of 90651433 is 33415609.

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 90651433 - 2⁵ = 90651401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90651395 and 90651404.

It is not an unprimeable number, because it can be changed into a prime (90651437) 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, 85893 + ... + 86941.

It is an arithmetic number, because the mean of its divisors is an integer number (11466000).

Almost surely, 2^90651433 is an apocalyptic number.

It is an amenable number.

90651433 is a deficient number, since it is larger than the sum of its proper divisors (1076567).

90651433 is a wasteful number, since it uses less digits than its factorization.

90651433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 90651433 is about 9521.1046102855. The cubic root of 90651433 is about 449.2191115457.

The spelling of 90651433 in words is "ninety million, six hundred fifty-one thousand, four hundred thirty-three".