333402397 has 2 divisors, whose sum is σ = 333402398. Its totient is φ = 333402396.

The previous prime is 333402373. The next prime is 333402409. The reversal of 333402397 is 793204333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328116996 + 5285401 = 18114^2 + 2299^2 .

It is an emirp because it is prime and its reverse (793204333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 333402397 - 2⁷ = 333402269 is a prime.

It is a super-2 number, since 2×333402397² = 222314316650691218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (333402337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166701198 + 166701199.

It is an arithmetic number, because the mean of its divisors is an integer number (166701199).

Almost surely, 2^333402397 is an apocalyptic number.

It is an amenable number.

333402397 is a deficient number, since it is larger than the sum of its proper divisors (1).

333402397 is an equidigital number, since it uses as much as digits as its factorization.

333402397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 34.

The square root of 333402397 is about 18259.3098719530. The cubic root of 333402397 is about 693.4091571158.

The spelling of 333402397 in words is "three hundred thirty-three million, four hundred two thousand, three hundred ninety-seven".