1872546916 has 24 divisors (see below), whose sum is σ = 3360007224. Its totient is φ = 912587520.

The previous prime is 1872546913. The next prime is 1872546931. The reversal of 1872546916 is 6196452781.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67996516 + 1804550400 = 8246^2 + 42480^2 .

It is a super-2 number, since 2×1872546916² = 7012863905242222112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1872546916.

It is not an unprimeable number, because it can be changed into a prime (1872546911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194226 + ... + 203638.

It is an arithmetic number, because the mean of its divisors is an integer number (140000301).

Almost surely, 2^1872546916 is an apocalyptic number.

It is an amenable number.

1872546916 is a deficient number, since it is larger than the sum of its proper divisors (1487460308).

1872546916 is a wasteful number, since it uses less digits than its factorization.

1872546916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671 (or 10669 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 1872546916 is about 43272.9351442677. The cubic root of 1872546916 is about 1232.5680402184.

The spelling of 1872546916 in words is "one billion, eight hundred seventy-two million, five hundred forty-six thousand, nine hundred sixteen".