1897410534 has 12 divisors (see below), whose sum is σ = 3795034476. Its totient is φ = 632434612.

The previous prime is 1897410523. The next prime is 1897410589. The reversal of 1897410534 is 4350147981.

It is a happy number.

1897410534 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97807 + ... + 115589.

It is an arithmetic number, because the mean of its divisors is an integer number (316252873).

Almost surely, 2^1897410534 is an apocalyptic number.

1897410534 is an abundant number, since it is smaller than the sum of its proper divisors (1897623942).

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

1897410534 is an frugal number, since it uses more digits than its factorization.

1897410534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35571 (or 17788 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1897410534 is about 43559.2760959133. The cubic root of 1897410534 is about 1237.9994045146. Note that the first 3 decimals are identical.

The spelling of 1897410534 in words is "one billion, eight hundred ninety-seven million, four hundred ten thousand, five hundred thirty-four".