89489409 has 8 divisors (see below), whose sum is σ = 119596512. Its totient is φ = 59520960.

The previous prime is 89489399. The next prime is 89489423. The reversal of 89489409 is 90498498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89489409 - 2¹¹ = 89487361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89489509) 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, 33147 + ... + 35744.

It is an arithmetic number, because the mean of its divisors is an integer number (14949564).

It is a Proth number, since it is equal to 2731 ⋅ 2¹⁵ + 1 and 2731 < 2¹⁵.

Almost surely, 2^89489409 is an apocalyptic number.

It is an amenable number.

89489409 is a deficient number, since it is larger than the sum of its proper divisors (30107103).

89489409 is a wasteful number, since it uses less digits than its factorization.

89489409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69327.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 89489409 is about 9459.8841959085. The cubic root of 89489409 is about 447.2913984636.

It can be divided in two parts, 89489 and 409, that added together give a palindrome (89898).

The spelling of 89489409 in words is "eighty-nine million, four hundred eighty-nine thousand, four hundred nine".