3995137 has 4 divisors (see below), whose sum is σ = 4022100. Its totient is φ = 3968176.

The previous prime is 3995129. The next prime is 3995161. The reversal of 3995137 is 7315993.

3995137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7315993 = 269 ⋅27197.

It can be written as a sum of positive squares in 2 ways, for example, as 1635841 + 2359296 = 1279^2 + 1536^2 .

It is a cyclic number.

It is not a de Polignac number, because 3995137 - 2³ = 3995129 is a prime.

It is a super-2 number, since 2×3995137² = 31922239297538, which contains 22 as substring.

It is a Duffinian number.

3995137 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3995096 and 3995105.

It is not an unprimeable number, because it can be changed into a prime (3995437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13258 + ... + 13555.

It is an arithmetic number, because the mean of its divisors is an integer number (1005525).

Almost surely, 2^3995137 is an apocalyptic number.

It is an amenable number.

3995137 is a deficient number, since it is larger than the sum of its proper divisors (26963).

3995137 is a wasteful number, since it uses less digits than its factorization.

3995137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26962.

The product of its digits is 25515, while the sum is 37.

The square root of 3995137 is about 1998.7838802632. The cubic root of 3995137 is about 158.6757496821.

The spelling of 3995137 in words is "three million, nine hundred ninety-five thousand, one hundred thirty-seven".