106624405 has 4 divisors (see below), whose sum is σ = 127949292. Its totient is φ = 85299520.

The previous prime is 106624381. The next prime is 106624411. The reversal of 106624405 is 504426601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29149201 + 77475204 = 5399^2 + 8802^2 .

It is not a de Polignac number, because 106624405 - 2⁷ = 106624277 is a prime.

It is a super-2 number, since 2×106624405² = 22737527483208050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10662436 + ... + 10662445.

It is an arithmetic number, because the mean of its divisors is an integer number (31987323).

Almost surely, 2^106624405 is an apocalyptic number.

It is an amenable number.

106624405 is a deficient number, since it is larger than the sum of its proper divisors (21324887).

106624405 is an equidigital number, since it uses as much as digits as its factorization.

106624405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21324886.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 106624405 is about 10325.9094030502. The cubic root of 106624405 is about 474.1897988920.

The spelling of 106624405 in words is "one hundred six million, six hundred twenty-four thousand, four hundred five".