3742216 has 16 divisors (see below), whose sum is σ = 7041600. Its totient is φ = 1864464.

The previous prime is 3742201. The next prime is 3742223. The reversal of 3742216 is 6122473.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (440100).

Almost surely, 2^3742216 is an apocalyptic number.

It is an amenable number.

3742216 is a deficient number, since it is larger than the sum of its proper divisors (3299384).

3742216 is a wasteful number, since it uses less digits than its factorization.

3742216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1664 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 3742216 is about 1934.4808088994. The cubic root of 3742216 is about 155.2540543990.

Adding to 3742216 its reverse (6122473), we get a palindrome (9864689).

The spelling of 3742216 in words is "three million, seven hundred forty-two thousand, two hundred sixteen".