3729215 has 16 divisors (see below), whose sum is σ = 5225472. Its totient is φ = 2501664.

The previous prime is 3729203. The next prime is 3729227. The reversal of 3729215 is 5129273.

It is an interprime number because it is at equal distance from previous prime (3729203) and next prime (3729227).

It is a cyclic number.

It is not a de Polignac number, because 3729215 - 2⁴ = 3729199 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

Almost surely, 2^3729215 is an apocalyptic number.

3729215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3729215 is a deficient number, since it is larger than the sum of its proper divisors (1496257).

3729215 is a wasteful number, since it uses less digits than its factorization.

3729215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its digits is 3780, while the sum is 29.

The square root of 3729215 is about 1931.1175520926. The cubic root of 3729215 is about 155.0740541038.

The spelling of 3729215 in words is "three million, seven hundred twenty-nine thousand, two hundred fifteen".