3843973 has 4 divisors (see below), whose sum is σ = 4393120. Its totient is φ = 3294828.

The previous prime is 3843971. The next prime is 3843977. The reversal of 3843973 is 3793483.

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: 3793483 = 19 ⋅199657.

It is a cyclic number.

It is not a de Polignac number, because 3843973 - 2¹ = 3843971 is a prime.

It is a super-2 number, since 2×3843973² = 29552256849458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274563 + ... + 274576.

It is an arithmetic number, because the mean of its divisors is an integer number (1098280).

Almost surely, 2^3843973 is an apocalyptic number.

It is an amenable number.

3843973 is a deficient number, since it is larger than the sum of its proper divisors (549147).

3843973 is an equidigital number, since it uses as much as digits as its factorization.

3843973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549146.

The product of its digits is 54432, while the sum is 37.

The square root of 3843973 is about 1960.6052636877. The cubic root of 3843973 is about 156.6486931747.

It can be divided in two parts, 384397 and 3, that added together give a square (384400 = 620²).

The spelling of 3843973 in words is "three million, eight hundred forty-three thousand, nine hundred seventy-three".