106538906 has 8 divisors (see below), whose sum is σ = 159915924. Its totient is φ = 53233600.

The previous prime is 106538897. The next prime is 106538917. The reversal of 106538906 is 609835601.

It can be written as a sum of positive squares in 2 ways, for example, as 84364225 + 22174681 = 9185^2 + 4709^2 .

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

It is a super-2 number, since 2×106538906² = 22701076983353672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106538906.

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, 14045 + ... + 20256.

Almost surely, 2^106538906 is an apocalyptic number.

106538906 is a deficient number, since it is larger than the sum of its proper divisors (53377018).

106538906 is a wasteful number, since it uses less digits than its factorization.

106538906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35856.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 106538906 is about 10321.7685500112. The cubic root of 106538906 is about 474.0630186765.

The spelling of 106538906 in words is "one hundred six million, five hundred thirty-eight thousand, nine hundred six".