407166401 has 4 divisors (see below), whose sum is σ = 424869312. Its totient is φ = 389463492.

The previous prime is 407166349. The next prime is 407166407. The reversal of 407166401 is 104661704.

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 407166401 - 2¹⁸ = 406904257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (407166407) 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 3 ways as a sum of consecutive naturals, for example, 8851421 + ... + 8851466.

It is an arithmetic number, because the mean of its divisors is an integer number (106217328).

Almost surely, 2^407166401 is an apocalyptic number.

It is an amenable number.

407166401 is a deficient number, since it is larger than the sum of its proper divisors (17702911).

407166401 is a wasteful number, since it uses less digits than its factorization.

407166401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17702910.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 407166401 is about 20178.3646760584. The cubic root of 407166401 is about 741.1804879898.

The spelling of 407166401 in words is "four hundred seven million, one hundred sixty-six thousand, four hundred one".