3872397 has 8 divisors (see below), whose sum is σ = 5209344. Its totient is φ = 2558528.

The previous prime is 3872389. The next prime is 3872417. The reversal of 3872397 is 7932783.

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

It is a cyclic number.

It is not a de Polignac number, because 3872397 - 2³ = 3872389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872317) 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, 5373 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (651168).

Almost surely, 2^3872397 is an apocalyptic number.

It is an amenable number.

3872397 is a deficient number, since it is larger than the sum of its proper divisors (1336947).

3872397 is a wasteful number, since it uses less digits than its factorization.

3872397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539.

The product of its digits is 63504, while the sum is 39.

The square root of 3872397 is about 1967.8406947718. The cubic root of 3872397 is about 157.0338547896.

The spelling of 3872397 in words is "three million, eight hundred seventy-two thousand, three hundred ninety-seven".