1783942 has 8 divisors (see below), whose sum is σ = 2716056. Its totient is φ = 878592.

The previous prime is 1783937. The next prime is 1783981. The reversal of 1783942 is 2493871.

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 = 1783898 and 1783907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6523 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (339507).

2^1783942 is an apocalyptic number.

1783942 is a deficient number, since it is larger than the sum of its proper divisors (932114).

1783942 is a wasteful number, since it uses less digits than its factorization.

1783942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382.

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

The square root of 1783942 is about 1335.6429163515. The cubic root of 1783942 is about 121.2812255285.

The spelling of 1783942 in words is "one million, seven hundred eighty-three thousand, nine hundred forty-two".