3749216 has 12 divisors (see below), whose sum is σ = 7381332. Its totient is φ = 1874592.

The previous prime is 3749191. The next prime is 3749219. The reversal of 3749216 is 6129473.

It is a super-2 number, since 2×3749216² = 28113241229312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 117163 = 3749216 / (3 + 7 + 4 + 9 + 2 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58550 + ... + 58613.

It is an arithmetic number, because the mean of its divisors is an integer number (615111).

Almost surely, 2^3749216 is an apocalyptic number.

It is an amenable number.

3749216 is a deficient number, since it is larger than the sum of its proper divisors (3632116).

3749216 is a wasteful number, since it uses less digits than its factorization.

3749216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117173 (or 117165 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 3749216 is about 1936.2892345928. The cubic root of 3749216 is about 155.3507975640.

The spelling of 3749216 in words is "three million, seven hundred forty-nine thousand, two hundred sixteen".