84418601 has 4 divisors (see below), whose sum is σ = 84555600. Its totient is φ = 84281604.

The previous prime is 84418597. The next prime is 84418643. The reversal of 84418601 is 10681448.

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 not a de Polignac number, because 84418601 - 2² = 84418597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84411601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67571 + ... + 68808.

It is an arithmetic number, because the mean of its divisors is an integer number (21138900).

Almost surely, 2^84418601 is an apocalyptic number.

It is an amenable number.

84418601 is a deficient number, since it is larger than the sum of its proper divisors (136999).

84418601 is a wasteful number, since it uses less digits than its factorization.

84418601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136998.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 84418601 is about 9187.9595667373. The cubic root of 84418601 is about 438.6781974095.

The spelling of 84418601 in words is "eighty-four million, four hundred eighteen thousand, six hundred one".