3944494 has 4 divisors (see below), whose sum is σ = 5916744. Its totient is φ = 1972246.

The previous prime is 3944483. The next prime is 3944497. The reversal of 3944494 is 4944493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4944493 = 233 ⋅21221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986122 + ... + 986125.

It is an arithmetic number, because the mean of its divisors is an integer number (1479186).

Almost surely, 2^3944494 is an apocalyptic number.

3944494 is a deficient number, since it is larger than the sum of its proper divisors (1972250).

3944494 is a wasteful number, since it uses less digits than its factorization.

3944494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972249.

The product of its digits is 62208, while the sum is 37.

The square root of 3944494 is about 1986.0750237592. The cubic root of 3944494 is about 158.0024301287.

Subtracting 3944494 from its reverse (4944493), we obtain a palindrome (999999).

The spelling of 3944494 in words is "three million, nine hundred forty-four thousand, four hundred ninety-four".