100338401 has 4 divisors (see below), whose sum is σ = 101060400. Its totient is φ = 99616404.

The previous prime is 100338383. The next prime is 100338419. The reversal of 100338401 is 104833001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (100338383) and next prime (100338419).

It is a cyclic number.

It is not a de Polignac number, because 100338401 - 2¹⁸ = 100076257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100338431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360791 + ... + 361068.

It is an arithmetic number, because the mean of its divisors is an integer number (25265100).

Almost surely, 2^100338401 is an apocalyptic number.

It is an amenable number.

100338401 is a deficient number, since it is larger than the sum of its proper divisors (721999).

100338401 is an equidigital number, since it uses as much as digits as its factorization.

100338401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721998.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 100338401 is about 10016.9057597643. The cubic root of 100338401 is about 464.6818666449.

The spelling of 100338401 in words is "one hundred million, three hundred thirty-eight thousand, four hundred one".