1897010380 has 12 divisors (see below), whose sum is σ = 3983721840. Its totient is φ = 758804144.

The previous prime is 1897010377. The next prime is 1897010393. The reversal of 1897010380 is 830107981.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47425240 + ... + 47425279.

It is an arithmetic number, because the mean of its divisors is an integer number (331976820).

Almost surely, 2^1897010380 is an apocalyptic number.

1897010380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1897010380 is an abundant number, since it is smaller than the sum of its proper divisors (2086711460).

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

1897010380 is a wasteful number, since it uses less digits than its factorization.

1897010380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94850528 (or 94850526 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1897010380 is about 43554.6826414795. The cubic root of 1897010380 is about 1237.9123691869.

The spelling of 1897010380 in words is "one billion, eight hundred ninety-seven million, ten thousand, three hundred eighty".