89404469 has 24 divisors (see below), whose sum is σ = 116548128. Its totient is φ = 67767840.

The previous prime is 89404459. The next prime is 89404499. The reversal of 89404469 is 96440498.

It is a happy number.

It is not a de Polignac number, because 89404469 - 2⁴ = 89404453 is a prime.

It is a super-2 number, since 2×89404469² = 15986318154343922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89404429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17702 + ... + 22184.

It is an arithmetic number, because the mean of its divisors is an integer number (4856172).

Almost surely, 2^89404469 is an apocalyptic number.

It is an amenable number.

89404469 is a deficient number, since it is larger than the sum of its proper divisors (27143659).

89404469 is a wasteful number, since it uses less digits than its factorization.

89404469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 89404469 is about 9455.3936459568. The cubic root of 89404469 is about 447.1498362436.

The spelling of 89404469 in words is "eighty-nine million, four hundred four thousand, four hundred sixty-nine".