333663997 has 12 divisors (see below), whose sum is σ = 354048060. Its totient is φ = 314399232.

The previous prime is 333663989. The next prime is 333664021. The reversal of 333663997 is 799366333.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48358116 + 285305881 = 6954^2 + 16891^2 .

It is not a de Polignac number, because 333663997 - 2³ = 333663989 is a prime.

It is a super-2 number, since 2×333663997² = 222663325788032018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 333663997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333663917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67279 + ... + 72067.

It is an arithmetic number, because the mean of its divisors is an integer number (29504005).

Almost surely, 2^333663997 is an apocalyptic number.

It is an amenable number.

333663997 is a deficient number, since it is larger than the sum of its proper divisors (20384063).

333663997 is a wasteful number, since it uses less digits than its factorization.

333663997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5001 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 49.

The square root of 333663997 is about 18266.4719363100. The cubic root of 333663997 is about 693.5904679626.

The spelling of 333663997 in words is "three hundred thirty-three million, six hundred sixty-three thousand, nine hundred ninety-seven".