3872247 has 8 divisors (see below), whose sum is σ = 5174256. Its totient is φ = 2575872.

The previous prime is 3872237. The next prime is 3872249. The reversal of 3872247 is 7422783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3872247 - 2¹¹ = 3870199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (646782).

Almost surely, 2^3872247 is an apocalyptic number.

3872247 is a deficient number, since it is larger than the sum of its proper divisors (1302009).

3872247 is a wasteful number, since it uses less digits than its factorization.

3872247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its digits is 18816, while the sum is 33.

The square root of 3872247 is about 1967.8025815615. The cubic root of 3872247 is about 157.0318271581.

The spelling of 3872247 in words is "three million, eight hundred seventy-two thousand, two hundred forty-seven".