1872493 has 8 divisors (see below), whose sum is σ = 2209280. Its totient is φ = 1553040.

The previous prime is 1872491. The next prime is 1872503. The reversal of 1872493 is 3942781.

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 1872493 - 2¹ = 1872491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872491) 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, 4098 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (276160).

2^1872493 is an apocalyptic number.

It is an amenable number.

1872493 is a deficient number, since it is larger than the sum of its proper divisors (336787).

1872493 is an equidigital number, since it uses as much as digits as its factorization.

1872493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667.

The product of its digits is 12096, while the sum is 34.

The square root of 1872493 is about 1368.3906605937. The cubic root of 1872493 is about 123.2556210381.

The spelling of 1872493 in words is "one million, eight hundred seventy-two thousand, four hundred ninety-three".