84641001 has 4 divisors (see below), whose sum is σ = 112854672. Its totient is φ = 56427332.

The previous prime is 84640999. The next prime is 84641009. The reversal of 84641001 is 10014648.

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 84641001 - 2¹ = 84640999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84641009) 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, 14106831 + ... + 14106836.

It is an arithmetic number, because the mean of its divisors is an integer number (28213668).

Almost surely, 2^84641001 is an apocalyptic number.

It is an amenable number.

84641001 is a deficient number, since it is larger than the sum of its proper divisors (28213671).

84641001 is a wasteful number, since it uses less digits than its factorization.

84641001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28213670.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 84641001 is about 9200.0544020131. The cubic root of 84641001 is about 439.0630907850.

Adding to 84641001 its reverse (10014648), we get a palindrome (94655649).

The spelling of 84641001 in words is "eighty-four million, six hundred forty-one thousand, one".