1893046864 has 20 divisors (see below), whose sum is σ = 3671850304. Its totient is φ = 945472608.

The previous prime is 1893046861. The next prime is 1893046879. The reversal of 1893046864 is 4686403981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1893046861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50712 + ... + 79735.

Almost surely, 2^1893046864 is an apocalyptic number.

It is an amenable number.

1893046864 is a deficient number, since it is larger than the sum of its proper divisors (1778803440).

1893046864 is a wasteful number, since it uses less digits than its factorization.

1893046864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131362 (or 131356 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 1893046864 is about 43509.1583922282. The cubic root of 1893046864 is about 1237.0496245537.

The spelling of 1893046864 in words is "one billion, eight hundred ninety-three million, forty-six thousand, eight hundred sixty-four".