3946423 has 4 divisors (see below), whose sum is σ = 4250008. Its totient is φ = 3642840.

The previous prime is 3946421. The next prime is 3946427. The reversal of 3946423 is 3246493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3246493 = 97 ⋅33469.

It is a cyclic number.

It is not a de Polignac number, because 3946423 - 2¹ = 3946421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946421) 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, 151773 + ... + 151798.

It is an arithmetic number, because the mean of its divisors is an integer number (1062502).

Almost surely, 2^3946423 is an apocalyptic number.

3946423 is a deficient number, since it is larger than the sum of its proper divisors (303585).

3946423 is a wasteful number, since it uses less digits than its factorization.

3946423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303584.

The product of its digits is 15552, while the sum is 31.

The square root of 3946423 is about 1986.5605956024. The cubic root of 3946423 is about 158.0281822292.

The spelling of 3946423 in words is "three million, nine hundred forty-six thousand, four hundred twenty-three".