3995738 has 16 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 1864800.

The previous prime is 3995729. The next prime is 3995743. The reversal of 3995738 is 8375993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958 + ... + 3438.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 2^3995738 is an apocalyptic number.

3995738 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3995738 is a deficient number, since it is larger than the sum of its proper divisors (2406502).

3995738 is a wasteful number, since it uses less digits than its factorization.

3995738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its digits is 204120, while the sum is 44.

The square root of 3995738 is about 1998.9342160261. The cubic root of 3995738 is about 158.6837059669.

The spelling of 3995738 in words is "three million, nine hundred ninety-five thousand, seven hundred thirty-eight".