3955147 has 8 divisors (see below), whose sum is σ = 4630752. Its totient is φ = 3307200.

The previous prime is 3955141. The next prime is 3955151. The reversal of 3955147 is 7415593.

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 3955147 - 2³ = 3955139 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3955141) 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, 6604 + ... + 7177.

It is an arithmetic number, because the mean of its divisors is an integer number (578844).

Almost surely, 2^3955147 is an apocalyptic number.

3955147 is a deficient number, since it is larger than the sum of its proper divisors (675605).

3955147 is a wasteful number, since it uses less digits than its factorization.

3955147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13829.

The product of its digits is 18900, while the sum is 34.

The square root of 3955147 is about 1988.7551382712. The cubic root of 3955147 is about 158.1445427267.

The spelling of 3955147 in words is "three million, nine hundred fifty-five thousand, one hundred forty-seven".