105297638 has 8 divisors (see below), whose sum is σ = 163041600. Its totient is φ = 50950440.

The previous prime is 105297631. The next prime is 105297641. The reversal of 105297638 is 836792501.

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

It is a super-2 number, since 2×105297638² = 22175185136758088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105297595 and 105297604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105297631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849113 + ... + 849236.

It is an arithmetic number, because the mean of its divisors is an integer number (20380200).

Almost surely, 2^105297638 is an apocalyptic number.

105297638 is a deficient number, since it is larger than the sum of its proper divisors (57743962).

105297638 is a wasteful number, since it uses less digits than its factorization.

105297638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698382.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 105297638 is about 10261.4637357445. The cubic root of 105297638 is about 472.2147441635.

The spelling of 105297638 in words is "one hundred five million, two hundred ninety-seven thousand, six hundred thirty-eight".