106305621 has 8 divisors (see below), whose sum is σ = 142002144. Its totient is φ = 70739760.

The previous prime is 106305613. The next prime is 106305623. The reversal of 106305621 is 126503601.

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

It is not a de Polignac number, because 106305621 - 2³ = 106305613 is a prime.

It is a super-2 number, since 2×106305621² = 22601770112391282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106305591 and 106305600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106305623) 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, 30750 + ... + 34031.

It is an arithmetic number, because the mean of its divisors is an integer number (17750268).

Almost surely, 2^106305621 is an apocalyptic number.

It is an amenable number.

106305621 is a deficient number, since it is larger than the sum of its proper divisors (35696523).

106305621 is an equidigital number, since it uses as much as digits as its factorization.

106305621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65331.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 106305621 is about 10310.4617258394. The cubic root of 106305621 is about 473.7167520288.

The spelling of 106305621 in words is "one hundred six million, three hundred five thousand, six hundred twenty-one".