1790942 has 4 divisors (see below), whose sum is σ = 2686416. Its totient is φ = 895470.

The previous prime is 1790939. The next prime is 1790951. The reversal of 1790942 is 2490971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2490971 = 7 ⋅355853.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1790899 and 1790908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447734 + ... + 447737.

It is an arithmetic number, because the mean of its divisors is an integer number (671604).

2^1790942 is an apocalyptic number.

1790942 is a deficient number, since it is larger than the sum of its proper divisors (895474).

1790942 is an equidigital number, since it uses as much as digits as its factorization.

1790942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895473.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1790942 is about 1338.2608116507. The cubic root of 1790942 is about 121.4396500685.

The spelling of 1790942 in words is "one million, seven hundred ninety thousand, nine hundred forty-two".