1872379441 has 3 divisors (see below), whose sum is σ = 1872422713. Its totient is φ = 1872336170.

The previous prime is 1872379393. The next prime is 1872379477. The reversal of 1872379441 is 1449732781.

The square root of 1872379441 is 43271.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1872379441 - 2¹⁵ = 1872346673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1872379391 and 1872379400.

It is not an unprimeable number, because it can be changed into a prime (1872379741) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 21636 + ... + 64906.

Almost surely, 2^1872379441 is an apocalyptic number.

1872379441 is the 43271-st square number.

1872379441 is the 21636-th centered octagonal number.

It is an amenable number.

1872379441 is a deficient number, since it is larger than the sum of its proper divisors (43272).

1872379441 is an frugal number, since it uses more digits than its factorization.

1872379441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86542 (or 43271 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The cubic root of 1872379441 is about 1232.5312933889.

The spelling of 1872379441 in words is "one billion, eight hundred seventy-two million, three hundred seventy-nine thousand, four hundred forty-one".