3997067 has 4 divisors (see below), whose sum is σ = 4003776. Its totient is φ = 3990360.

The previous prime is 3997061. The next prime is 3997069. The reversal of 3997067 is 7607993.

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

It is a cyclic number.

It is not a de Polignac number, because 3997067 - 2⁴ = 3997051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997061) 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, 2363 + ... + 3684.

It is an arithmetic number, because the mean of its divisors is an integer number (1000944).

Almost surely, 2^3997067 is an apocalyptic number.

3997067 is a deficient number, since it is larger than the sum of its proper divisors (6709).

3997067 is an equidigital number, since it uses as much as digits as its factorization.

3997067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 3997067 is about 1999.2666155368. The cubic root of 3997067 is about 158.7012969825.

The spelling of 3997067 in words is "three million, nine hundred ninety-seven thousand, sixty-seven".