1872361 has 8 divisors (see below), whose sum is σ = 1972224. Its totient is φ = 1774080.

The previous prime is 1872337. The next prime is 1872389. The reversal of 1872361 is 1632781.

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 1872361 - 2¹⁹ = 1348073 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1872361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1872301) by changing a digit.

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, 2601 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (246528).

2^1872361 is an apocalyptic number.

It is an amenable number.

1872361 is a deficient number, since it is larger than the sum of its proper divisors (99863).

1872361 is a wasteful number, since it uses less digits than its factorization.

1872361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its digits is 2016, while the sum is 28.

The square root of 1872361 is about 1368.3424279032. The cubic root of 1872361 is about 123.2527246990.

The spelling of 1872361 in words is "one million, eight hundred seventy-two thousand, three hundred sixty-one".