3993467 has 4 divisors (see below), whose sum is σ = 4167120. Its totient is φ = 3819816.

The previous prime is 3993443. The next prime is 3993469. The reversal of 3993467 is 7643993.

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 3993467 - 2¹² = 3989371 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3993469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86792 + ... + 86837.

It is an arithmetic number, because the mean of its divisors is an integer number (1041780).

Almost surely, 2^3993467 is an apocalyptic number.

3993467 is a deficient number, since it is larger than the sum of its proper divisors (173653).

3993467 is a wasteful number, since it uses less digits than its factorization.

3993467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173652.

The product of its digits is 122472, while the sum is 41.

The square root of 3993467 is about 1998.3660825785. The cubic root of 3993467 is about 158.6536373462.

The spelling of 3993467 in words is "three million, nine hundred ninety-three thousand, four hundred sixty-seven".