103629381 has 8 divisors (see below), whose sum is σ = 138220224. Its totient is φ = 69062400.

The previous prime is 103629377. The next prime is 103629391. The reversal of 103629381 is 183926301.

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

It is not a de Polignac number, because 103629381 - 2² = 103629377 is a prime.

It is a super-3 number, since 3×103629381³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103629371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11365 + ... + 18341.

It is an arithmetic number, because the mean of its divisors is an integer number (17277528).

Almost surely, 2^103629381 is an apocalyptic number.

It is an amenable number.

103629381 is a deficient number, since it is larger than the sum of its proper divisors (34590843).

103629381 is an equidigital number, since it uses as much as digits as its factorization.

103629381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 103629381 is about 10179.8517179770. The cubic root of 103629381 is about 469.7076512984.

The spelling of 103629381 in words is "one hundred three million, six hundred twenty-nine thousand, three hundred eighty-one".