64417089 has 16 divisors (see below), whose sum is σ = 97772544. Its totient is φ = 37342800.

The previous prime is 64417061. The next prime is 64417099. The reversal of 64417089 is 98071446.

It is a happy number.

It is not a de Polignac number, because 64417089 - 2⁵ = 64417057 is a prime.

It is a super-2 number, since 2×64417089² = 8299122710467842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64417009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41677 + ... + 43194.

It is an arithmetic number, because the mean of its divisors is an integer number (6110784).

Almost surely, 2^64417089 is an apocalyptic number.

64417089 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

64417089 is a deficient number, since it is larger than the sum of its proper divisors (33355455).

64417089 is a wasteful number, since it uses less digits than its factorization.

64417089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84908.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 64417089 is about 8026.0257288399. The cubic root of 64417089 is about 400.8670545995.

It can be divided in two parts, 6441 and 7089, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 64417089 in words is "sixty-four million, four hundred seventeen thousand, eighty-nine".