3955947 has 8 divisors (see below), whose sum is σ = 5283840. Its totient is φ = 2632680.

The previous prime is 3955927. The next prime is 3955949. The reversal of 3955947 is 7495593.

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

It is not a de Polignac number, because 3955947 - 2⁸ = 3955691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3955899 and 3955908.

It is not an unprimeable number, because it can be changed into a prime (3955949) 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, 2454 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (660480).

Almost surely, 2^3955947 is an apocalyptic number.

3955947 is a deficient number, since it is larger than the sum of its proper divisors (1327893).

3955947 is a wasteful number, since it uses less digits than its factorization.

3955947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313.

The product of its digits is 170100, while the sum is 42.

The square root of 3955947 is about 1988.9562589459. The cubic root of 3955947 is about 158.1552045390.

The spelling of 3955947 in words is "three million, nine hundred fifty-five thousand, nine hundred forty-seven".