3946493 has 2 divisors, whose sum is σ = 3946494. Its totient is φ = 3946492.

The previous prime is 3946489. The next prime is 3946507.

3946493 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 1315609 = 1622^2 + 1147^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3946493 - 2² = 3946489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3946403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973246 + 1973247.

It is an arithmetic number, because the mean of its divisors is an integer number (1973247).

Almost surely, 2^3946493 is an apocalyptic number.

It is an amenable number.

3946493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946493 is an equidigital number, since it uses as much as digits as its factorization.

3946493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 3946493 is about 1986.5782139146. The cubic root of 3946493 is about 158.0291165696.

It can be divided in two parts, 3946 and 493, that multiplied together give a triangular number (1945378 = T₁₉₇₂).

The spelling of 3946493 in words is "three million, nine hundred forty-six thousand, four hundred ninety-three".