1870846420 has 12 divisors (see below), whose sum is σ = 3928777524. Its totient is φ = 748338560.

The previous prime is 1870846363. The next prime is 1870846493. The reversal of 1870846420 is 246480781.

It can be written as a sum of positive squares in 2 ways, for example, as 1138927504 + 731918916 = 33748^2 + 27054^2 .

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 3 ways as a sum of consecutive naturals, for example, 46771141 + ... + 46771180.

It is an arithmetic number, because the mean of its divisors is an integer number (327398127).

Almost surely, 2^1870846420 is an apocalyptic number.

1870846420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1870846420 is an abundant number, since it is smaller than the sum of its proper divisors (2057931104).

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

1870846420 is a wasteful number, since it uses less digits than its factorization.

1870846420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93542330 (or 93542328 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 1870846420 is about 43253.2821875982. The cubic root of 1870846420 is about 1232.1948209433.

The spelling of 1870846420 in words is "one billion, eight hundred seventy million, eight hundred forty-six thousand, four hundred twenty".