1839242190 has 16 divisors (see below), whose sum is σ = 4414181328. Its totient is φ = 490464576.

The previous prime is 1839242159. The next prime is 1839242203. The reversal of 1839242190 is 912429381.

It is a super-2 number, since 2×1839242190² = 6765623666951992200, which contains 22 as substring.

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, 30654007 + ... + 30654066.

It is an arithmetic number, because the mean of its divisors is an integer number (275886333).

Almost surely, 2^1839242190 is an apocalyptic number.

1839242190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1839242190 is an abundant number, since it is smaller than the sum of its proper divisors (2574939138).

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

1839242190 is a wasteful number, since it uses less digits than its factorization.

1839242190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61308083.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1839242190 is about 42886.3870010053. The cubic root of 1839242190 is about 1225.2168856577.

The spelling of 1839242190 in words is "one billion, eight hundred thirty-nine million, two hundred forty-two thousand, one hundred ninety".