3947953 has 8 divisors (see below), whose sum is σ = 4245120. Its totient is φ = 3659760.

The previous prime is 3947941. The next prime is 3947963. The reversal of 3947953 is 3597493.

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

It is a cyclic number.

It is not a de Polignac number, because 3947953 - 2⁵ = 3947921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3947903) 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 7 ways as a sum of consecutive naturals, for example, 1318 + ... + 3103.

It is an arithmetic number, because the mean of its divisors is an integer number (530640).

Almost surely, 2^3947953 is an apocalyptic number.

It is an amenable number.

3947953 is a deficient number, since it is larger than the sum of its proper divisors (297167).

3947953 is a wasteful number, since it uses less digits than its factorization.

3947953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its digits is 102060, while the sum is 40.

The square root of 3947953 is about 1986.9456459602. The cubic root of 3947953 is about 158.0486017230.

It can be divided in two parts, 3947 and 953, that added together give a square (4900 = 70²).

The spelling of 3947953 in words is "three million, nine hundred forty-seven thousand, nine hundred fifty-three".