3943494 has 12 divisors (see below), whose sum is σ = 8544276. Its totient is φ = 1314492.

The previous prime is 3943481. The next prime is 3943517. The reversal of 3943494 is 4943493.

It is a super-2 number, since 2×3943494² = 31102289856072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109524 + ... + 109559.

It is an arithmetic number, because the mean of its divisors is an integer number (712023).

Almost surely, 2^3943494 is an apocalyptic number.

3943494 is an abundant number, since it is smaller than the sum of its proper divisors (4600782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3943494 is a wasteful number, since it uses less digits than its factorization.

3943494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219091 (or 219088 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3943494 is about 1985.8232549751. The cubic root of 3943494 is about 157.9890768499.

Subtracting 3943494 from its reverse (4943493), we obtain a palindrome (999999).

The spelling of 3943494 in words is "three million, nine hundred forty-three thousand, four hundred ninety-four".