3965157 has 12 divisors (see below), whose sum is σ = 6545760. Its totient is φ = 2265768.

The previous prime is 3965153. The next prime is 3965161. The reversal of 3965157 is 7515693.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3965153) and next prime (3965161).

It is not a de Polignac number, because 3965157 - 2² = 3965153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965153) 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, 31407 + ... + 31532.

It is an arithmetic number, because the mean of its divisors is an integer number (545480).

Almost surely, 2^3965157 is an apocalyptic number.

It is an amenable number.

3965157 is a deficient number, since it is larger than the sum of its proper divisors (2580603).

3965157 is a wasteful number, since it uses less digits than its factorization.

3965157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62952 (or 62949 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 3965157 is about 1991.2701976377. The cubic root of 3965157 is about 158.2778452532.

The spelling of 3965157 in words is "three million, nine hundred sixty-five thousand, one hundred fifty-seven".