3946347 has 8 divisors (see below), whose sum is σ = 5846480. Its totient is φ = 2630880.

The previous prime is 3946339. The next prime is 3946379. The reversal of 3946347 is 7436493.

It is not a de Polignac number, because 3946347 - 2³ = 3946339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946337) 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, 73054 + ... + 73107.

It is an arithmetic number, because the mean of its divisors is an integer number (730810).

Almost surely, 2^3946347 is an apocalyptic number.

3946347 is a deficient number, since it is larger than the sum of its proper divisors (1900133).

3946347 is a wasteful number, since it uses less digits than its factorization.

3946347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146170 (or 146164 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3946347 is about 1986.5414669722. The cubic root of 3946347 is about 158.0271677900.

The spelling of 3946347 in words is "three million, nine hundred forty-six thousand, three hundred forty-seven".