100364643 has 8 divisors (see below), whose sum is σ = 148688400. Its totient is φ = 66909744.

The previous prime is 100364633. The next prime is 100364647. The reversal of 100364643 is 346463001.

100364643 is a `hidden beast` number, since 10 + 0 + 3 + 6 + 4 + 643 = 666.

It is not a de Polignac number, because 100364643 - 2⁵ = 100364611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3717209 = 100364643 / (1 + 0 + 0 + 3 + 6 + 4 + 6 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (100364647) 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 in 7 ways as a sum of consecutive naturals, for example, 1858578 + ... + 1858631.

It is an arithmetic number, because the mean of its divisors is an integer number (18586050).

Almost surely, 2^100364643 is an apocalyptic number.

100364643 is a deficient number, since it is larger than the sum of its proper divisors (48323757).

100364643 is an equidigital number, since it uses as much as digits as its factorization.

100364643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717218 (or 3717212 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 100364643 is about 10018.2155596693. The cubic root of 100364643 is about 464.7223732987.

The spelling of 100364643 in words is "one hundred million, three hundred sixty-four thousand, six hundred forty-three".