84160401 has 16 divisors (see below), whose sum is σ = 122097024. Its totient is φ = 51254784.

The previous prime is 84160397. The next prime is 84160429. The reversal of 84160401 is 10406148.

It is not a de Polignac number, because 84160401 - 2² = 84160397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84160471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341 + ... + 14906.

It is an arithmetic number, because the mean of its divisors is an integer number (7631064).

Almost surely, 2^84160401 is an apocalyptic number.

It is an amenable number.

84160401 is a deficient number, since it is larger than the sum of its proper divisors (37936623).

84160401 is a wasteful number, since it uses less digits than its factorization.

84160401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360.

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

The square root of 84160401 is about 9173.8978084563. The cubic root of 84160401 is about 438.2304983487.

Adding to 84160401 its reverse (10406148), we get a palindrome (94566549).

The spelling of 84160401 in words is "eighty-four million, one hundred sixty thousand, four hundred one".