404606101 has 4 divisors (see below), whose sum is σ = 408612204. Its totient is φ = 400600000.

The previous prime is 404606039. The next prime is 404606119. The reversal of 404606101 is 101606404.

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 395612100 + 8994001 = 19890^2 + 2999^2 .

It is a cyclic number.

It is not a de Polignac number, because 404606101 - 2¹⁹ = 404081813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404606201) 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, 2002900 + ... + 2003101.

It is an arithmetic number, because the mean of its divisors is an integer number (102153051).

Almost surely, 2^404606101 is an apocalyptic number.

It is an amenable number.

404606101 is a deficient number, since it is larger than the sum of its proper divisors (4006103).

404606101 is a wasteful number, since it uses less digits than its factorization.

404606101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006102.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 404606101 is about 20114.8229174408. The cubic root of 404606101 is about 739.6236831443.

The spelling of 404606101 in words is "four hundred four million, six hundred six thousand, one hundred one".