84040801 has 8 divisors (see below), whose sum is σ = 92952104. Its totient is φ = 75479040.

The previous prime is 84040793. The next prime is 84040807. The reversal of 84040801 is 10804048.

It can be written as a sum of positive squares in 4 ways, for example, as 3920400 + 80120401 = 1980^2 + 8951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84040801 - 2³ = 84040793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84040807) 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, 86880 + ... + 87841.

It is an arithmetic number, because the mean of its divisors is an integer number (11619013).

Almost surely, 2^84040801 is an apocalyptic number.

It is an amenable number.

84040801 is a deficient number, since it is larger than the sum of its proper divisors (8911303).

84040801 is a wasteful number, since it uses less digits than its factorization.

84040801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174771.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 84040801 is about 9167.3769967205. The cubic root of 84040801 is about 438.0228107495.

Adding to 84040801 its reverse (10804048), we get a palindrome (94844849).

The spelling of 84040801 in words is "eighty-four million, forty thousand, eight hundred one".