45989893 has 8 divisors (see below), whose sum is σ = 46517400. Its totient is φ = 45465600.

The previous prime is 45989887. The next prime is 45989917. The reversal of 45989893 is 39898954.

It can be written as a sum of positive squares in 4 ways, for example, as 804609 + 45185284 = 897^2 + 6722^2 .

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 45989893 - 2⁹ = 45989381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45989803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37693 + ... + 38893.

It is an arithmetic number, because the mean of its divisors is an integer number (5814675).

Almost surely, 2^45989893 is an apocalyptic number.

It is an amenable number.

45989893 is a deficient number, since it is larger than the sum of its proper divisors (527507).

45989893 is a wasteful number, since it uses less digits than its factorization.

45989893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its digits is 2799360, while the sum is 55.

The square root of 45989893 is about 6781.5848442676. The cubic root of 45989893 is about 358.2785432484.

The spelling of 45989893 in words is "forty-five million, nine hundred eighty-nine thousand, eight hundred ninety-three".