105084647 has 4 divisors (see below), whose sum is σ = 107528520. Its totient is φ = 102640776.

The previous prime is 105084641. The next prime is 105084673. The reversal of 105084647 is 746480501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746480501 = 13 ⋅57421577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105084647 is a prime.

It is a super-2 number, since 2×105084647² = 22085566070229218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105084641) 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, 1221872 + ... + 1221957.

It is an arithmetic number, because the mean of its divisors is an integer number (26882130).

Almost surely, 2^105084647 is an apocalyptic number.

105084647 is a deficient number, since it is larger than the sum of its proper divisors (2443873).

105084647 is an equidigital number, since it uses as much as digits as its factorization.

105084647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443872.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 105084647 is about 10251.0802845359. The cubic root of 105084647 is about 471.8961381522.

The spelling of 105084647 in words is "one hundred five million, eighty-four thousand, six hundred forty-seven".