3964157 has 2 divisors, whose sum is σ = 3964158. Its totient is φ = 3964156.

The previous prime is 3964133. The next prime is 3964183. The reversal of 3964157 is 7514693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3786916 + 177241 = 1946^2 + 421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3964157 is a prime.

It is a super-3 number, since 3×3964157³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982078 + 1982079.

It is an arithmetic number, because the mean of its divisors is an integer number (1982079).

Almost surely, 2^3964157 is an apocalyptic number.

It is an amenable number.

3964157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964157 is an equidigital number, since it uses as much as digits as its factorization.

3964157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 3964157 is about 1991.0190857950. The cubic root of 3964157 is about 158.2645384113.

The spelling of 3964157 in words is "three million, nine hundred sixty-four thousand, one hundred fifty-seven".