3964693 has 2 divisors, whose sum is σ = 3964694. Its totient is φ = 3964692.

The previous prime is 3964679. The next prime is 3964699.

3964693 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3755844 + 208849 = 1938^2 + 457^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3964693 - 2¹³ = 3956501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982346 + 1982347.

It is an arithmetic number, because the mean of its divisors is an integer number (1982347).

Almost surely, 2^3964693 is an apocalyptic number.

It is an amenable number.

3964693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964693 is an equidigital number, since it uses as much as digits as its factorization.

3964693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 40.

The square root of 3964693 is about 1991.1536856807. The cubic root of 3964693 is about 158.2716711568.

The spelling of 3964693 in words is "three million, nine hundred sixty-four thousand, six hundred ninety-three".