1896749477 has 24 divisors (see below), whose sum is σ = 2281692672. Its totient is φ = 1570514400.

The previous prime is 1896749471. The next prime is 1896749497. The reversal of 1896749477 is 7749476981.

It is not a de Polignac number, because 1896749477 - 2¹⁴ = 1896733093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896749471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1550288 + ... + 1551510.

It is an arithmetic number, because the mean of its divisors is an integer number (95070528).

Almost surely, 2^1896749477 is an apocalyptic number.

It is an amenable number.

1896749477 is a deficient number, since it is larger than the sum of its proper divisors (384943195).

1896749477 is a wasteful number, since it uses less digits than its factorization.

1896749477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2282 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 62.

The square root of 1896749477 is about 43551.6874185146. The cubic root of 1896749477 is about 1237.8556149976.

The spelling of 1896749477 in words is "one billion, eight hundred ninety-six million, seven hundred forty-nine thousand, four hundred seventy-seven".