1794421442 has 8 divisors (see below), whose sum is σ = 2936326032. Its totient is φ = 815646100.

The previous prime is 1794421441. The next prime is 1794421463. The reversal of 1794421442 is 2441244971.

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

It is a super-3 number, since 3×1794421442³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1794421396 and 1794421405.

It is not an unprimeable number, because it can be changed into a prime (1794421441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40782284 + ... + 40782327.

It is an arithmetic number, because the mean of its divisors is an integer number (367040754).

Almost surely, 2^1794421442 is an apocalyptic number.

1794421442 is a deficient number, since it is larger than the sum of its proper divisors (1141904590).

1794421442 is a wasteful number, since it uses less digits than its factorization.

1794421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81564624.

The product of its digits is 64512, while the sum is 38.

The square root of 1794421442 is about 42360.6119172044. The cubic root of 1794421442 is about 1215.1824350802.

The spelling of 1794421442 in words is "one billion, seven hundred ninety-four million, four hundred twenty-one thousand, four hundred forty-two".