406865001 has 8 divisors (see below), whose sum is σ = 543491584. Its totient is φ = 270740880.

The previous prime is 406864999. The next prime is 406865021. The reversal of 406865001 is 100568604.

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

It is not a de Polignac number, because 406865001 - 2¹ = 406864999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406865001.

It is not an unprimeable number, because it can be changed into a prime (406865021) 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, 123721 + ... + 126966.

It is an arithmetic number, because the mean of its divisors is an integer number (67936448).

Almost surely, 2^406865001 is an apocalyptic number.

It is an amenable number.

406865001 is a deficient number, since it is larger than the sum of its proper divisors (136626583).

406865001 is a wasteful number, since it uses less digits than its factorization.

406865001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251231.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 406865001 is about 20170.8948983430. The cubic root of 406865001 is about 740.9975595506.

The spelling of 406865001 in words is "four hundred six million, eight hundred sixty-five thousand, one".