1873980146 has 64 divisors (see below), whose sum is σ = 3119800320. Its totient is φ = 841181760.

The previous prime is 1873980139. The next prime is 1873980169. The reversal of 1873980146 is 6410893781.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 1873980146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11221355 + ... + 11221521.

It is an arithmetic number, because the mean of its divisors is an integer number (48746880).

Almost surely, 2^1873980146 is an apocalyptic number.

1873980146 is a deficient number, since it is larger than the sum of its proper divisors (1245820174).

1873980146 is a wasteful number, since it uses less digits than its factorization.

1873980146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1873980146 is about 43289.4923278155. The cubic root of 1873980146 is about 1232.8824253957.

The spelling of 1873980146 in words is "one billion, eight hundred seventy-three million, nine hundred eighty thousand, one hundred forty-six".