406744001 has 4 divisors (see below), whose sum is σ = 428151600. Its totient is φ = 385336404.

The previous prime is 406743991. The next prime is 406744003. The reversal of 406744001 is 100447604.

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 a de Polignac number, because none of the positive numbers 2^k-406744001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406744003) 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, 10703771 + ... + 10703808.

It is an arithmetic number, because the mean of its divisors is an integer number (107037900).

Almost surely, 2^406744001 is an apocalyptic number.

It is an amenable number.

406744001 is a deficient number, since it is larger than the sum of its proper divisors (21407599).

406744001 is a wasteful number, since it uses less digits than its factorization.

406744001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21407598.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 406744001 is about 20167.8953041709. The cubic root of 406744001 is about 740.9240957119.

The spelling of 406744001 in words is "four hundred six million, seven hundred forty-four thousand, one".