1894055656 has 16 divisors (see below), whose sum is σ = 3673815300. Its totient is φ = 914371584.

The previous prime is 1894055633. The next prime is 1894055671. The reversal of 1894055656 is 6565504981.

It can be written as a sum of positive squares in 2 ways, for example, as 1828930756 + 65124900 = 42766^2 + 8070^2 .

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, 4081785 + ... + 4082248.

Almost surely, 2^1894055656 is an apocalyptic number.

It is an amenable number.

1894055656 is a deficient number, since it is larger than the sum of its proper divisors (1779759644).

1894055656 is a wasteful number, since it uses less digits than its factorization.

1894055656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164068 (or 8164064 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 49.

The square root of 1894055656 is about 43520.7497178070. The cubic root of 1894055656 is about 1237.2693240205.

The spelling of 1894055656 in words is "one billion, eight hundred ninety-four million, fifty-five thousand, six hundred fifty-six".