89699533 has 16 divisors (see below), whose sum is σ = 113508864. Its totient is φ = 68848560.

The previous prime is 89699509. The next prime is 89699537. The reversal of 89699533 is 33599698.

It is a happy number.

It is not a de Polignac number, because 89699533 - 2²¹ = 87602381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89699537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3535 + ... + 13852.

It is an arithmetic number, because the mean of its divisors is an integer number (7094304).

Almost surely, 2^89699533 is an apocalyptic number.

It is an amenable number.

89699533 is a deficient number, since it is larger than the sum of its proper divisors (23809331).

89699533 is a wasteful number, since it uses less digits than its factorization.

89699533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17472.

The product of its digits is 1574640, while the sum is 52.

The square root of 89699533 is about 9470.9837398234. The cubic root of 89699533 is about 447.6412096626.

The spelling of 89699533 in words is "eighty-nine million, six hundred ninety-nine thousand, five hundred thirty-three".