404352101 has 4 divisors (see below), whose sum is σ = 404664204. Its totient is φ = 404040000.

The previous prime is 404352083. The next prime is 404352107. The reversal of 404352101 is 101253404.

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 72165025 + 332187076 = 8495^2 + 18226^2 .

It is a cyclic number.

It is not a de Polignac number, because 404352101 - 2¹⁴ = 404335717 is a prime.

It is a super-2 number, since 2×404352101² = 327001243166228402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404352107) 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, 154100 + ... + 156701.

It is an arithmetic number, because the mean of its divisors is an integer number (101166051).

Almost surely, 2^404352101 is an apocalyptic number.

It is an amenable number.

404352101 is a deficient number, since it is larger than the sum of its proper divisors (312103).

404352101 is a wasteful number, since it uses less digits than its factorization.

404352101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312102.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 404352101 is about 20108.5081744022. The cubic root of 404352101 is about 739.4688792986.

The spelling of 404352101 in words is "four hundred four million, three hundred fifty-two thousand, one hundred one".