433340397 has 24 divisors (see below), whose sum is σ = 716863680. Its totient is φ = 247101120.

The previous prime is 433340393. The next prime is 433340407. The reversal of 433340397 is 793043334.

It is not a de Polignac number, because 433340397 - 2² = 433340393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433340393) 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 23 ways as a sum of consecutive naturals, for example, 23929 + ... + 37937.

It is an arithmetic number, because the mean of its divisors is an integer number (29869320).

Almost surely, 2^433340397 is an apocalyptic number.

It is an amenable number.

433340397 is a deficient number, since it is larger than the sum of its proper divisors (283523283).

433340397 is a wasteful number, since it uses less digits than its factorization.

433340397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513 (or 14510 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 36.

The square root of 433340397 is about 20816.8296577553. The cubic root of 433340397 is about 756.7336719521.

The spelling of 433340397 in words is "four hundred thirty-three million, three hundred forty thousand, three hundred ninety-seven".