3971953 has 8 divisors (see below), whose sum is σ = 4124736. Its totient is φ = 3822000.

The previous prime is 3971917. The next prime is 3971963. The reversal of 3971953 is 3591793.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3971953 is a prime.

It is a super-3 number, since 3×3971953³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3971963) 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, 2403 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

Almost surely, 2^3971953 is an apocalyptic number.

It is an amenable number.

3971953 is a deficient number, since it is larger than the sum of its proper divisors (152783).

3971953 is a wasteful number, since it uses less digits than its factorization.

3971953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415.

The product of its digits is 25515, while the sum is 37.

The square root of 3971953 is about 1992.9759155594. The cubic root of 3971953 is about 158.3682193366.

The spelling of 3971953 in words is "three million, nine hundred seventy-one thousand, nine hundred fifty-three".