1938874210 has 32 divisors (see below), whose sum is σ = 4295354112. Its totient is φ = 613621440.

The previous prime is 1938874193. The next prime is 1938874219. The reversal of 1938874210 is 124788391.

It is not an unprimeable number, because it can be changed into a prime (1938874219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1064406 + ... + 1066225.

It is an arithmetic number, because the mean of its divisors is an integer number (134229816).

Almost surely, 2^1938874210 is an apocalyptic number.

1938874210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1938874210 is an abundant number, since it is smaller than the sum of its proper divisors (2356479902).

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

1938874210 is a wasteful number, since it uses less digits than its factorization.

1938874210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130658.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1938874210 is about 44032.6493638527. The cubic root of 1938874210 is about 1246.9524072479.

The spelling of 1938874210 in words is "one billion, nine hundred thirty-eight million, eight hundred seventy-four thousand, two hundred ten".