89401685 has 8 divisors (see below), whose sum is σ = 107337120. Its totient is φ = 71484624.

The previous prime is 89401673. The next prime is 89401703. The reversal of 89401685 is 58610498.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89401685 is a prime.

It is a super-2 number, since 2×89401685² = 15985322561678450, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10826 + ... + 17204.

It is an arithmetic number, because the mean of its divisors is an integer number (13417140).

Almost surely, 2^89401685 is an apocalyptic number.

It is an amenable number.

89401685 is a deficient number, since it is larger than the sum of its proper divisors (17935435).

89401685 is a wasteful number, since it uses less digits than its factorization.

89401685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 89401685 is about 9455.2464272487. The cubic root of 89401685 is about 447.1451948721.

The spelling of 89401685 in words is "eighty-nine million, four hundred one thousand, six hundred eighty-five".