1893742 has 8 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 936144.

The previous prime is 1893737. The next prime is 1893757. The reversal of 1893742 is 2473981.

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

It is a junction number, because it is equal to n+sod(n) for n = 1893698 and 1893707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5142 + ... + 5497.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

2^1893742 is an apocalyptic number.

1893742 is a deficient number, since it is larger than the sum of its proper divisors (979058).

1893742 is a wasteful number, since it uses less digits than its factorization.

1893742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730.

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

The square root of 1893742 is about 1376.1329877595. The cubic root of 1893742 is about 123.7201022900.

The spelling of 1893742 in words is "one million, eight hundred ninety-three thousand, seven hundred forty-two".