3729216 has 28 divisors (see below), whose sum is σ = 9867392. Its totient is φ = 1243008.

The previous prime is 3729203. The next prime is 3729227. The reversal of 3729216 is 6129273.

It is an Ulam number.

It is a congruent number.

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, 9520 + ... + 9903.

Almost surely, 2^3729216 is an apocalyptic number.

It is an amenable number.

3729216 is an abundant number, since it is smaller than the sum of its proper divisors (6138176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3729216 is a wasteful number, since it uses less digits than its factorization.

3729216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19438 (or 19428 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 3729216 is about 1931.1178110100. The cubic root of 3729216 is about 155.0740679650.

The spelling of 3729216 in words is "three million, seven hundred twenty-nine thousand, two hundred sixteen".