103643407 has 8 divisors (see below), whose sum is σ = 125417376. Its totient is φ = 83611392.

The previous prime is 103643399. The next prime is 103643431. The reversal of 103643407 is 704346301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103643407 - 2³ = 103643399 is a prime.

It is a super-3 number, since 3×103643407³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103643107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435358 + ... + 435595.

It is an arithmetic number, because the mean of its divisors is an integer number (15677172).

Almost surely, 2^103643407 is an apocalyptic number.

103643407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

103643407 is a deficient number, since it is larger than the sum of its proper divisors (21773969).

103643407 is an equidigital number, since it uses as much as digits as its factorization.

103643407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870977.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 103643407 is about 10180.5406045062. The cubic root of 103643407 is about 469.7288416283.

Adding to 103643407 its reverse (704346301), we get a palindrome (807989708).

The spelling of 103643407 in words is "one hundred three million, six hundred forty-three thousand, four hundred seven".