3916947 has 8 divisors (see below), whose sum is σ = 5235856. Its totient is φ = 2604672.

The previous prime is 3916921. The next prime is 3916981. The reversal of 3916947 is 7496193.

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

It is not a de Polignac number, because 3916947 - 2⁶ = 3916883 is a prime.

It is a Duffinian number.

3916947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3912947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (654482).

Almost surely, 2^3916947 is an apocalyptic number.

3916947 is a deficient number, since it is larger than the sum of its proper divisors (1318909).

3916947 is a wasteful number, since it uses less digits than its factorization.

3916947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317.

The product of its digits is 40824, while the sum is 39.

The square root of 3916947 is about 1979.1278382156. The cubic root of 3916947 is about 157.6337588834.

The spelling of 3916947 in words is "three million, nine hundred sixteen thousand, nine hundred forty-seven".