Search a number
-
+
3916986 = 23652831
BaseRepresentation
bin1110111100010010111010
321101000002120
432330102322
52000320421
6215542110
745202533
oct16742272
97330076
103916986
112235987
12138a936
13a71b58
1473d68a
155258c6
hex3bc4ba

3916986 has 8 divisors (see below), whose sum is σ = 7833984. Its totient is φ = 1305660.

The previous prime is 3916981. The next prime is 3917009. The reversal of 3916986 is 6896193.

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

3916986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3916981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326410 + ... + 326421.

It is an arithmetic number, because the mean of its divisors is an integer number (979248).

Almost surely, 23916986 is an apocalyptic number.

3916986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3916986 is a wasteful number, since it uses less digits than its factorization.

3916986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652836.

The product of its digits is 69984, while the sum is 42.

The square root of 3916986 is about 1979.1376910160. The cubic root of 3916986 is about 157.6342820541.

The spelling of 3916986 in words is "three million, nine hundred sixteen thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 652831 1305662 1958493 3916986