3996137 has 4 divisors (see below), whose sum is σ = 4206480. Its totient is φ = 3785796.

The previous prime is 3996131. The next prime is 3996149. The reversal of 3996137 is 7316993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7316993 = 751 ⋅9743.

It is a cyclic number.

It is not a de Polignac number, because 3996137 - 2⁶ = 3996073 is a prime.

It is a super-2 number, since 2×3996137² = 31938221845538, which contains 22 as substring.

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 3996137.

It is not an unprimeable number, because it can be changed into a prime (3996131) 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, 105143 + ... + 105180.

It is an arithmetic number, because the mean of its divisors is an integer number (1051620).

Almost surely, 2^3996137 is an apocalyptic number.

It is an amenable number.

3996137 is a deficient number, since it is larger than the sum of its proper divisors (210343).

3996137 is a wasteful number, since it uses less digits than its factorization.

3996137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210342.

The product of its digits is 30618, while the sum is 38.

The square root of 3996137 is about 1999.0340167191. The cubic root of 3996137 is about 158.6889876522.

The spelling of 3996137 in words is "three million, nine hundred ninety-six thousand, one hundred thirty-seven".