1896994517 has 16 divisors (see below), whose sum is σ = 2103226944. Its totient is φ = 1696464000.

The previous prime is 1896994513. The next prime is 1896994553. The reversal of 1896994517 is 7154996981.

It is not a de Polignac number, because 1896994517 - 2² = 1896994513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896994511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751217 + ... + 753737.

It is an arithmetic number, because the mean of its divisors is an integer number (131451684).

Almost surely, 2^1896994517 is an apocalyptic number.

It is an amenable number.

1896994517 is a deficient number, since it is larger than the sum of its proper divisors (206232427).

1896994517 is a wasteful number, since it uses less digits than its factorization.

1896994517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its digits is 4898880, while the sum is 59.

The square root of 1896994517 is about 43554.5005366839. The cubic root of 1896994517 is about 1237.9089186595.

The spelling of 1896994517 in words is "one billion, eight hundred ninety-six million, nine hundred ninety-four thousand, five hundred seventeen".