333402401 has 4 divisors (see below), whose sum is σ = 333645204. Its totient is φ = 333159600.

The previous prime is 333402397. The next prime is 333402409. The reversal of 333402401 is 104204333.

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 172239376 + 161163025 = 13124^2 + 12695^2 .

It is a cyclic number.

It is not a de Polignac number, because 333402401 - 2² = 333402397 is a prime.

It is a super-2 number, since 2×333402401² = 222314321985129602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (333402409) 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, 119330 + ... + 122091.

It is an arithmetic number, because the mean of its divisors is an integer number (83411301).

Almost surely, 2^333402401 is an apocalyptic number.

It is an amenable number.

333402401 is a deficient number, since it is larger than the sum of its proper divisors (242803).

333402401 is a wasteful number, since it uses less digits than its factorization.

333402401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242802.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 333402401 is about 18259.3099814862. The cubic root of 333402401 is about 693.4091598888.

Adding to 333402401 its reverse (104204333), we get a palindrome (437606734).

The spelling of 333402401 in words is "three hundred thirty-three million, four hundred two thousand, four hundred one".