406671361 has 4 divisors (see below), whose sum is σ = 419789824. Its totient is φ = 393552900.

The previous prime is 406671359. The next prime is 406671371. The reversal of 406671361 is 163176604.

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 406671361 - 2¹ = 406671359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406671301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6559185 + ... + 6559246.

It is an arithmetic number, because the mean of its divisors is an integer number (104947456).

Almost surely, 2^406671361 is an apocalyptic number.

It is an amenable number.

406671361 is a deficient number, since it is larger than the sum of its proper divisors (13118463).

406671361 is a wasteful number, since it uses less digits than its factorization.

406671361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13118462.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 406671361 is about 20166.0943417410. The cubic root of 406671361 is about 740.8799861242.

The spelling of 406671361 in words is "four hundred six million, six hundred seventy-one thousand, three hundred sixty-one".