3973667 has 8 divisors (see below), whose sum is σ = 4134240. Its totient is φ = 3814720.

The previous prime is 3973661. The next prime is 3973691. The reversal of 3973667 is 7663793.

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 3973667 - 2¹⁰ = 3972643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3973661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7367 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (516780).

Almost surely, 2^3973667 is an apocalyptic number.

3973667 is a deficient number, since it is larger than the sum of its proper divisors (160573).

3973667 is a wasteful number, since it uses less digits than its factorization.

3973667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its digits is 142884, while the sum is 41.

The square root of 3973667 is about 1993.4058793934. The cubic root of 3973667 is about 158.3909960489.

The spelling of 3973667 in words is "three million, nine hundred seventy-three thousand, six hundred sixty-seven".