3872043 has 20 divisors (see below), whose sum is σ = 6611440. Its totient is φ = 2212272.

The previous prime is 3872041. The next prime is 3872047. The reversal of 3872043 is 3402783.

It is not a de Polignac number, because 3872043 - 2¹ = 3872041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3871998 and 3872016.

It is not an unprimeable number, because it can be changed into a prime (3872041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2848 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (330572).

Almost surely, 2^3872043 is an apocalyptic number.

3872043 is a deficient number, since it is larger than the sum of its proper divisors (2739397).

3872043 is an equidigital number, since it uses as much as digits as its factorization.

3872043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3872043 is about 1967.7507464107. The cubic root of 3872043 is about 157.0290694952.

The spelling of 3872043 in words is "three million, eight hundred seventy-two thousand, forty-three".