3946172 has 6 divisors (see below), whose sum is σ = 6905808. Its totient is φ = 1973084.

The previous prime is 3946157. The next prime is 3946177. The reversal of 3946172 is 2716493.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946177) 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 as a sum of consecutive naturals, namely, 493268 + ... + 493275.

It is an arithmetic number, because the mean of its divisors is an integer number (1150968).

Almost surely, 2^3946172 is an apocalyptic number.

It is an amenable number.

3946172 is a deficient number, since it is larger than the sum of its proper divisors (2959636).

3946172 is a wasteful number, since it uses less digits than its factorization.

3946172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986547 (or 986545 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 3946172 is about 1986.4974200839. The cubic root of 3946172 is about 158.0248318606.

The spelling of 3946172 in words is "three million, nine hundred forty-six thousand, one hundred seventy-two".