1879145 has 8 divisors (see below), whose sum is σ = 2266056. Its totient is φ = 1495936.

The previous prime is 1879121. The next prime is 1879151. The reversal of 1879145 is 5419781.

It can be written as a sum of positive squares in 4 ways, for example, as 94249 + 1784896 = 307^2 + 1336^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1879145 - 2⁸ = 1878889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (283257).

2^1879145 is an apocalyptic number.

It is an amenable number.

1879145 is a deficient number, since it is larger than the sum of its proper divisors (386911).

1879145 is a wasteful number, since it uses less digits than its factorization.

1879145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its digits is 10080, while the sum is 35.

The square root of 1879145 is about 1370.8190982037. The cubic root of 1879145 is about 123.4014030541.

The spelling of 1879145 in words is "one million, eight hundred seventy-nine thousand, one hundred forty-five".