89169049 has 4 divisors (see below), whose sum is σ = 89214336. Its totient is φ = 89123764.

The previous prime is 89169023. The next prime is 89169061. The reversal of 89169049 is 94096198.

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 89169049 - 2⁷ = 89168921 is a prime.

It is a super-2 number, since 2×89169049² = 15902238599128802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89169019) 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, 19549 + ... + 23674.

It is an arithmetic number, because the mean of its divisors is an integer number (22303584).

Almost surely, 2^89169049 is an apocalyptic number.

It is an amenable number.

89169049 is a deficient number, since it is larger than the sum of its proper divisors (45287).

89169049 is a wasteful number, since it uses less digits than its factorization.

89169049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45286.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 89169049 is about 9442.9364606567. The cubic root of 89169049 is about 446.7570126769.

The spelling of 89169049 in words is "eighty-nine million, one hundred sixty-nine thousand, forty-nine".