3941397 has 12 divisors (see below), whose sum is σ = 5738304. Its totient is φ = 2606760.

The previous prime is 3941381. The next prime is 3941411. The reversal of 3941397 is 7931493.

It is not a de Polignac number, because 3941397 - 2⁴ = 3941381 is a prime.

It is a super-3 number, since 3×3941397³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

3941397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3941317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (478192).

Almost surely, 2^3941397 is an apocalyptic number.

It is an amenable number.

3941397 is a deficient number, since it is larger than the sum of its proper divisors (1796907).

3941397 is a wasteful number, since it uses less digits than its factorization.

3941397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 3477 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3941397 is about 1985.2951921566. The cubic root of 3941397 is about 157.9610676922.

The spelling of 3941397 in words is "three million, nine hundred forty-one thousand, three hundred ninety-seven".