3663494 has 4 divisors (see below), whose sum is σ = 5495244. Its totient is φ = 1831746.

The previous prime is 3663469. The next prime is 3663497. The reversal of 3663494 is 4943663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4943663 = 31 ⋅159473.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915872 + ... + 915875.

It is an arithmetic number, because the mean of its divisors is an integer number (1373811).

Almost surely, 2^3663494 is an apocalyptic number.

3663494 is a deficient number, since it is larger than the sum of its proper divisors (1831750).

3663494 is a wasteful number, since it uses less digits than its factorization.

3663494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831749.

The product of its digits is 46656, while the sum is 35.

The square root of 3663494 is about 1914.0256006647. The cubic root of 3663494 is about 154.1576784955.

The spelling of 3663494 in words is "three million, six hundred sixty-three thousand, four hundred ninety-four".