100433997 has 12 divisors (see below), whose sum is σ = 145161120. Its totient is φ = 66914568.

The previous prime is 100433987. The next prime is 100434007. The reversal of 100433997 is 799334001.

It is an interprime number because it is at equal distance from previous prime (100433987) and next prime (100434007).

It is not a de Polignac number, because 100433997 - 2⁶ = 100433933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100433987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21048 + ... + 25374.

It is an arithmetic number, because the mean of its divisors is an integer number (12096760).

Almost surely, 2^100433997 is an apocalyptic number.

It is an amenable number.

100433997 is a deficient number, since it is larger than the sum of its proper divisors (44727123).

100433997 is a wasteful number, since it uses less digits than its factorization.

100433997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912 (or 6909 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 100433997 is about 10021.6763567778. The cubic root of 100433997 is about 464.8293928408.

Adding to 100433997 its reverse (799334001), we get a palindrome (899767998).

The spelling of 100433997 in words is "one hundred million, four hundred thirty-three thousand, nine hundred ninety-seven".