89933945 has 8 divisors (see below), whose sum is σ = 111402240. Its totient is φ = 69626160.

The previous prime is 89933929. The next prime is 89933957. The reversal of 89933945 is 54933998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89933945 - 2⁴ = 89933929 is a prime.

It is a super-2 number, since 2×89933945² = 16176228926526050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89933893 and 89933902.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 289955 + ... + 290264.

It is an arithmetic number, because the mean of its divisors is an integer number (13925280).

Almost surely, 2^89933945 is an apocalyptic number.

It is an amenable number.

89933945 is a deficient number, since it is larger than the sum of its proper divisors (21468295).

89933945 is a wasteful number, since it uses less digits than its factorization.

89933945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580255.

The product of its digits is 1049760, while the sum is 50.

The square root of 89933945 is about 9483.3509373006. The cubic root of 89933945 is about 448.0308110851.

The spelling of 89933945 in words is "eighty-nine million, nine hundred thirty-three thousand, nine hundred forty-five".