3930911 has 4 divisors (see below), whose sum is σ = 3946824. Its totient is φ = 3915000.

The previous prime is 3930887. The next prime is 3930919. The reversal of 3930911 is 1190393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1190393 = 137 ⋅8689.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3930911 is a prime.

It is a super-2 number, since 2×3930911² = 30904122579842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7580 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (986706).

Almost surely, 2^3930911 is an apocalyptic number.

3930911 is a deficient number, since it is larger than the sum of its proper divisors (15913).

3930911 is a wasteful number, since it uses less digits than its factorization.

3930911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15912.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 3930911 is about 1982.6525162015. The cubic root of 3930911 is about 157.8208592964.

The spelling of 3930911 in words is "three million, nine hundred thirty thousand, nine hundred eleven".