84010001 has 4 divisors (see below), whose sum is σ = 88431600. Its totient is φ = 79588404.

The previous prime is 84009997. The next prime is 84010021. The reversal of 84010001 is 10001048.

It is a happy number.

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 84010001 - 2² = 84009997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84010021) 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, 2210771 + ... + 2210808.

It is an arithmetic number, because the mean of its divisors is an integer number (22107900).

Almost surely, 2^84010001 is an apocalyptic number.

It is an amenable number.

84010001 is a deficient number, since it is larger than the sum of its proper divisors (4421599).

84010001 is a wasteful number, since it uses less digits than its factorization.

84010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421598.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 84010001 is about 9165.6969729530. The cubic root of 84010001 is about 437.9692940812.

Adding to 84010001 its reverse (10001048), we get a palindrome (94011049).

The spelling of 84010001 in words is "eighty-four million, ten thousand, one".