84018001 has 8 divisors (see below), whose sum is σ = 87063680. Its totient is φ = 81022032.

The previous prime is 84017987. The next prime is 84018031. The reversal of 84018001 is 10081048.

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-84018001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84018031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8970 + ... + 15763.

It is an arithmetic number, because the mean of its divisors is an integer number (10882960).

Almost surely, 2^84018001 is an apocalyptic number.

It is an amenable number.

84018001 is a deficient number, since it is larger than the sum of its proper divisors (3045679).

84018001 is a wasteful number, since it uses less digits than its factorization.

84018001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24855.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 84018001 is about 9166.1333723659. The cubic root of 84018001 is about 437.9831957718.

Adding to 84018001 its reverse (10081048), we get a palindrome (94099049).

The spelling of 84018001 in words is "eighty-four million, eighteen thousand, one".