3945494 has 16 divisors (see below), whose sum is σ = 6982656. Its totient is φ = 1636200.

The previous prime is 3945467. The next prime is 3945527. The reversal of 3945494 is 4945493.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4112 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (436416).

Almost surely, 2^3945494 is an apocalyptic number.

3945494 is a deficient number, since it is larger than the sum of its proper divisors (3037162).

3945494 is a wasteful number, since it uses less digits than its factorization.

3945494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9131.

The product of its digits is 77760, while the sum is 38.

The square root of 3945494 is about 1986.3267606313. The cubic root of 3945494 is about 158.0157811508.

Subtracting 3945494 from its reverse (4945493), we obtain a palindrome (999999).

The spelling of 3945494 in words is "three million, nine hundred forty-five thousand, four hundred ninety-four".