404266001 has 4 divisors (see below), whose sum is σ = 428046372. Its totient is φ = 380485632.

The previous prime is 404265997. The next prime is 404266063. The reversal of 404266001 is 100662404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325766401 + 78499600 = 18049^2 + 8860^2 .

It is a cyclic number.

It is not a de Polignac number, because 404266001 - 2² = 404265997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404266081) 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, 11890160 + ... + 11890193.

It is an arithmetic number, because the mean of its divisors is an integer number (107011593).

Almost surely, 2^404266001 is an apocalyptic number.

It is an amenable number.

404266001 is a deficient number, since it is larger than the sum of its proper divisors (23780371).

404266001 is a wasteful number, since it uses less digits than its factorization.

404266001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23780370.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 404266001 is about 20106.3671755989. The cubic root of 404266001 is about 739.4163897399.

The spelling of 404266001 in words is "four hundred four million, two hundred sixty-six thousand, one".