1896323645 has 8 divisors (see below), whose sum is σ = 2276405856. Its totient is φ = 1516513936.

The previous prime is 1896323621. The next prime is 1896323647. The reversal of 1896323645 is 5463236981.

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

It is a cyclic number.

It is not a de Polignac number, because 1896323645 - 2²⁶ = 1829214781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1896323645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896323647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52487 + ... + 80916.

It is an arithmetic number, because the mean of its divisors is an integer number (284550732).

Almost surely, 2^1896323645 is an apocalyptic number.

It is an amenable number.

1896323645 is a deficient number, since it is larger than the sum of its proper divisors (380082211).

1896323645 is a wasteful number, since it uses less digits than its factorization.

1896323645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136251.

The product of its digits is 933120, while the sum is 47.

The square root of 1896323645 is about 43546.7983323688. The cubic root of 1896323645 is about 1237.7629726480.

The spelling of 1896323645 in words is "one billion, eight hundred ninety-six million, three hundred twenty-three thousand, six hundred forty-five".