106898905 has 8 divisors (see below), whose sum is σ = 129549384. Its totient is φ = 84672000.

The previous prime is 106898899. The next prime is 106898927. The reversal of 106898905 is 509898601.

It can be written as a sum of positive squares in 4 ways, for example, as 74511424 + 32387481 = 8632^2 + 5691^2 .

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

It is not a de Polignac number, because 106898905 - 2¹⁷ = 106767833 is a prime.

It is a super-2 number, since 2×106898905² = 22854751780398050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105336 + ... + 106345.

It is an arithmetic number, because the mean of its divisors is an integer number (16193673).

Almost surely, 2^106898905 is an apocalyptic number.

It is an amenable number.

106898905 is a deficient number, since it is larger than the sum of its proper divisors (22650479).

106898905 is a wasteful number, since it uses less digits than its factorization.

106898905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211787.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 106898905 is about 10339.1926667414. The cubic root of 106898905 is about 474.5963773477.

The spelling of 106898905 in words is "one hundred six million, eight hundred ninety-eight thousand, nine hundred five".