89432949 has 8 divisors (see below), whose sum is σ = 120923712. Its totient is φ = 58782080.

The previous prime is 89432939. The next prime is 89432969. The reversal of 89432949 is 94923498.

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 89432949 - 2⁷ = 89432821 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 89432898 and 89432907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89432909) 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, 209724 + ... + 210149.

It is an arithmetic number, because the mean of its divisors is an integer number (15115464).

Almost surely, 2^89432949 is an apocalyptic number.

It is an amenable number.

89432949 is a deficient number, since it is larger than the sum of its proper divisors (31490763).

89432949 is a wasteful number, since it uses less digits than its factorization.

89432949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419947.

The product of its digits is 559872, while the sum is 48.

The square root of 89432949 is about 9456.8995447768. The cubic root of 89432949 is about 447.1973114070.

The spelling of 89432949 in words is "eighty-nine million, four hundred thirty-two thousand, nine hundred forty-nine".