3996705 has 8 divisors (see below), whose sum is σ = 6394752. Its totient is φ = 2131568.

The previous prime is 3996653. The next prime is 3996743. The reversal of 3996705 is 5076993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3996705 - 2⁹ = 3996193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133209 + ... + 133238.

It is an arithmetic number, because the mean of its divisors is an integer number (799344).

Almost surely, 2^3996705 is an apocalyptic number.

It is an amenable number.

3996705 is a deficient number, since it is larger than the sum of its proper divisors (2398047).

3996705 is a wasteful number, since it uses less digits than its factorization.

3996705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266455.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 3996705 is about 1999.1760802891. The cubic root of 3996705 is about 158.6965058358.

The spelling of 3996705 in words is "three million, nine hundred ninety-six thousand, seven hundred five".