89497943 has 4 divisors (see below), whose sum is σ = 89540088. Its totient is φ = 89455800.

The previous prime is 89497913. The next prime is 89497949. The reversal of 89497943 is 34979498.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89497943 - 2⁶ = 89497879 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 (89497949) 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, 17708 + ... + 22193.

It is an arithmetic number, because the mean of its divisors is an integer number (22385022).

Almost surely, 2^89497943 is an apocalyptic number.

89497943 is a deficient number, since it is larger than the sum of its proper divisors (42145).

89497943 is a wasteful number, since it uses less digits than its factorization.

89497943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42144.

The product of its digits is 1959552, while the sum is 53.

The square root of 89497943 is about 9460.3352477595. The cubic root of 89497943 is about 447.3056163973.

The spelling of 89497943 in words is "eighty-nine million, four hundred ninety-seven thousand, nine hundred forty-three".