3976157 has 4 divisors (see below), whose sum is σ = 3987900. Its totient is φ = 3964416.

The previous prime is 3976129. The next prime is 3976169. The reversal of 3976157 is 7516793.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2937796 + 1038361 = 1714^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 3976157 - 2¹⁸ = 3714013 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3976157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5348 + ... + 6045.

It is an arithmetic number, because the mean of its divisors is an integer number (996975).

Almost surely, 2^3976157 is an apocalyptic number.

It is an amenable number.

3976157 is a deficient number, since it is larger than the sum of its proper divisors (11743).

3976157 is a wasteful number, since it uses less digits than its factorization.

3976157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742.

The product of its digits is 39690, while the sum is 38.

The square root of 3976157 is about 1994.0303407922. The cubic root of 3976157 is about 158.4240730724.

The spelling of 3976157 in words is "three million, nine hundred seventy-six thousand, one hundred fifty-seven".