105508628 has 6 divisors (see below), whose sum is σ = 184640106. Its totient is φ = 52754312.

The previous prime is 105508537. The next prime is 105508631. The reversal of 105508628 is 826805501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77651344 + 27857284 = 8812^2 + 5278^2 .

It is a super-2 number, since 2×105508628² = 22264141164884768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13188575 + ... + 13188582.

It is an arithmetic number, because the mean of its divisors is an integer number (30773351).

Almost surely, 2^105508628 is an apocalyptic number.

It is an amenable number.

105508628 is a deficient number, since it is larger than the sum of its proper divisors (79131478).

105508628 is a wasteful number, since it uses less digits than its factorization.

105508628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26377161 (or 26377159 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 105508628 is about 10271.7392879687. The cubic root of 105508628 is about 472.5299336224.

The spelling of 105508628 in words is "one hundred five million, five hundred eight thousand, six hundred twenty-eight".