101388893 has 8 divisors (see below), whose sum is σ = 103251576. Its totient is φ = 99532800.

The previous prime is 101388851. The next prime is 101388949. The reversal of 101388893 is 398883101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13741849 + 87647044 = 3707^2 + 9362^2 .

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 101388893 - 2⁶ = 101388829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101388893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101388803) 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, 37805 + ... + 40397.

It is an arithmetic number, because the mean of its divisors is an integer number (12906447).

Almost surely, 2^101388893 is an apocalyptic number.

It is an amenable number.

101388893 is a deficient number, since it is larger than the sum of its proper divisors (1862683).

101388893 is an equidigital number, since it uses as much as digits as its factorization.

101388893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 101388893 is about 10069.2051821383. The cubic root of 101388893 is about 466.2979009071.

The spelling of 101388893 in words is "one hundred one million, three hundred eighty-eight thousand, eight hundred ninety-three".