1842743826 has 48 divisors (see below), whose sum is σ = 4977805248. Its totient is φ = 478634400.

The previous prime is 1842743821. The next prime is 1842743827. The reversal of 1842743826 is 6283472481.

It is a happy number.

It is a super-2 number, since 2×1842743826² = 6791409616522236552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1842743821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663385 + ... + 666156.

It is an arithmetic number, because the mean of its divisors is an integer number (103704276).

Almost surely, 2^1842743826 is an apocalyptic number.

1842743826 is an abundant number, since it is smaller than the sum of its proper divisors (3135061422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1842743826 is a wasteful number, since it uses less digits than its factorization.

1842743826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329567 (or 1329564 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1842743826 is about 42927.1921513625. The cubic root of 1842743826 is about 1225.9939346302.

The spelling of 1842743826 in words is "one billion, eight hundred forty-two million, seven hundred forty-three thousand, eight hundred twenty-six".