3872373 has 4 divisors (see below), whose sum is σ = 5163168. Its totient is φ = 2581580.

The previous prime is 3872359. The next prime is 3872381. The reversal of 3872373 is 3732783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3732783 = 3 ⋅1244261.

It is a cyclic number.

It is not a de Polignac number, because 3872373 - 2¹⁴ = 3855989 is a prime.

It is a super-2 number, since 2×3872373² = 29990545302258, which contains 22 as substring.

It is a D-number.

3872373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645393 + ... + 645398.

It is an arithmetic number, because the mean of its divisors is an integer number (1290792).

Almost surely, 2^3872373 is an apocalyptic number.

It is an amenable number.

3872373 is a deficient number, since it is larger than the sum of its proper divisors (1290795).

3872373 is a wasteful number, since it uses less digits than its factorization.

3872373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290794.

The product of its digits is 21168, while the sum is 33.

The square root of 3872373 is about 1967.8345967078. The cubic root of 3872373 is about 157.0335303721.

The spelling of 3872373 in words is "three million, eight hundred seventy-two thousand, three hundred seventy-three".