1897097230 has 48 divisors (see below), whose sum is σ = 3976899120. Its totient is φ = 649678848.

The previous prime is 1897097227. The next prime is 1897097243. The reversal of 1897097230 is 327907981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568206 + ... + 571534.

It is an arithmetic number, because the mean of its divisors is an integer number (82852065).

Almost surely, 2^1897097230 is an apocalyptic number.

1897097230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1897097230 is an abundant number, since it is smaller than the sum of its proper divisors (2079801890).

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

1897097230 is a wasteful number, since it uses less digits than its factorization.

1897097230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513 (or 4506 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 1897097230 is about 43555.6796526010. The cubic root of 1897097230 is about 1237.9312604996.

The spelling of 1897097230 in words is "one billion, eight hundred ninety-seven million, ninety-seven thousand, two hundred thirty".