84460609 has 4 divisors (see below), whose sum is σ = 84782016. Its totient is φ = 84139204.

The previous prime is 84460591. The next prime is 84460631. The reversal of 84460609 is 90606448.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84460609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84460639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160309 + ... + 160834.

It is an arithmetic number, because the mean of its divisors is an integer number (21195504).

Almost surely, 2^84460609 is an apocalyptic number.

It is an amenable number.

84460609 is a deficient number, since it is larger than the sum of its proper divisors (321407).

84460609 is a wasteful number, since it uses less digits than its factorization.

84460609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321406.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 84460609 is about 9190.2453177268. The cubic root of 84460609 is about 438.7509496926.

The spelling of 84460609 in words is "eighty-four million, four hundred sixty thousand, six hundred nine".