1896205742 has 8 divisors (see below), whose sum is σ = 2846783232. Its totient is φ = 947278000.

The previous prime is 1896205723. The next prime is 1896205777. The reversal of 1896205742 is 2475026981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1896205693 and 1896205702.

It is a congruent number.

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, 409559 + ... + 414162.

It is an arithmetic number, because the mean of its divisors is an integer number (355847904).

Almost surely, 2^1896205742 is an apocalyptic number.

1896205742 is a deficient number, since it is larger than the sum of its proper divisors (950577490).

1896205742 is a wasteful number, since it uses less digits than its factorization.

1896205742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824874.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1896205742 is about 43545.4445608263. Note that the first 3 decimals coincide. The cubic root of 1896205742 is about 1237.7373196795.

The spelling of 1896205742 in words is "one billion, eight hundred ninety-six million, two hundred five thousand, seven hundred forty-two".