3749224 has 8 divisors (see below), whose sum is σ = 7029810. Its totient is φ = 1874608.

The previous prime is 3749219. The next prime is 3749257. The reversal of 3749224 is 4229473.

3749224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 101124 = 1910^2 + 318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234319 + ... + 234334.

Almost surely, 2^3749224 is an apocalyptic number.

It is an amenable number.

3749224 is a deficient number, since it is larger than the sum of its proper divisors (3280586).

3749224 is a wasteful number, since it uses less digits than its factorization.

3749224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468659 (or 468655 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 3749224 is about 1936.2913003988. The cubic root of 3749224 is about 155.3509080587.

Subtracting 3749224 from its reverse (4229473), we obtain a square (480249 = 693²).

The spelling of 3749224 in words is "three million, seven hundred forty-nine thousand, two hundred twenty-four".