89143433 has 4 divisors (see below), whose sum is σ = 90474000. Its totient is φ = 87812868.

The previous prime is 89143399. The next prime is 89143451. The reversal of 89143433 is 33434198.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89143433 - 2⁸ = 89143177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89143393 and 89143402.

It is not an unprimeable number, because it can be changed into a prime (89143463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665183 + ... + 665316.

It is an arithmetic number, because the mean of its divisors is an integer number (22618500).

Almost surely, 2^89143433 is an apocalyptic number.

It is an amenable number.

89143433 is a deficient number, since it is larger than the sum of its proper divisors (1330567).

89143433 is a wasteful number, since it uses less digits than its factorization.

89143433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330566.

The product of its digits is 31104, while the sum is 35.

The square root of 89143433 is about 9441.5800054864. The cubic root of 89143433 is about 446.7142279371.

The spelling of 89143433 in words is "eighty-nine million, one hundred forty-three thousand, four hundred thirty-three".