1826140398 has 16 divisors (see below), whose sum is σ = 3688443216. Its totient is φ = 602686400.

The previous prime is 1826140367. The next prime is 1826140417. The reversal of 1826140398 is 8930416281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506111 + ... + 1507322.

It is an arithmetic number, because the mean of its divisors is an integer number (230527701).

Almost surely, 2^1826140398 is an apocalyptic number.

1826140398 is an abundant number, since it is smaller than the sum of its proper divisors (1862302818).

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

1826140398 is a wasteful number, since it uses less digits than its factorization.

1826140398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013539.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1826140398 is about 42733.3639911486. The cubic root of 1826140398 is about 1222.3006837117.

The spelling of 1826140398 in words is "one billion, eight hundred twenty-six million, one hundred forty thousand, three hundred ninety-eight".