3744646 has 4 divisors (see below), whose sum is σ = 5616972. Its totient is φ = 1872322.

The previous prime is 3744623. The next prime is 3744647. The reversal of 3744646 is 6464473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6464473 = 139 ⋅46507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3744647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936160 + ... + 936163.

It is an arithmetic number, because the mean of its divisors is an integer number (1404243).

Almost surely, 2^3744646 is an apocalyptic number.

3744646 is a deficient number, since it is larger than the sum of its proper divisors (1872326).

3744646 is a wasteful number, since it uses less digits than its factorization.

3744646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872325.

The product of its digits is 48384, while the sum is 34.

The square root of 3744646 is about 1935.1087824719. The cubic root of 3744646 is about 155.2876517580.

The spelling of 3744646 in words is "three million, seven hundred forty-four thousand, six hundred forty-six".