89467421 has 4 divisors (see below), whose sum is σ = 90600000. Its totient is φ = 88334844.

The previous prime is 89467403. The next prime is 89467429. The reversal of 89467421 is 12476498.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12476498 = 2 ⋅6238249.

It is a cyclic number.

It is not a de Polignac number, because 89467421 - 2¹⁰ = 89466397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89467429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566171 + ... + 566328.

It is an arithmetic number, because the mean of its divisors is an integer number (22650000).

Almost surely, 2^89467421 is an apocalyptic number.

It is an amenable number.

89467421 is a deficient number, since it is larger than the sum of its proper divisors (1132579).

89467421 is a wasteful number, since it uses less digits than its factorization.

89467421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132578.

The product of its digits is 96768, while the sum is 41.

The square root of 89467421 is about 9458.7219538371. The cubic root of 89467421 is about 447.2547615439.

The spelling of 89467421 in words is "eighty-nine million, four hundred sixty-seven thousand, four hundred twenty-one".