406512401 has 8 divisors (see below), whose sum is σ = 422884800. Its totient is φ = 390297040.

The previous prime is 406512397. The next prime is 406512409. The reversal of 406512401 is 104215604.

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

It is a cyclic number.

It is not a de Polignac number, because 406512401 - 2² = 406512397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406512409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33965 + ... + 44346.

It is an arithmetic number, because the mean of its divisors is an integer number (52860600).

Almost surely, 2^406512401 is an apocalyptic number.

It is an amenable number.

406512401 is a deficient number, since it is larger than the sum of its proper divisors (16372399).

406512401 is a wasteful number, since it uses less digits than its factorization.

406512401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78519.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 406512401 is about 20162.1526876472. The cubic root of 406512401 is about 740.7834416397.

The spelling of 406512401 in words is "four hundred six million, five hundred twelve thousand, four hundred one".