1899056 has 10 divisors (see below), whose sum is σ = 3679452. Its totient is φ = 949520.

The previous prime is 1899049. The next prime is 1899059. The reversal of 1899056 is 6509981.

It is a super-2 number, since 2×1899056² = 7212827382272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1899059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59330 + ... + 59361.

2^1899056 is an apocalyptic number.

1899056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1899056 is a deficient number, since it is larger than the sum of its proper divisors (1780396).

1899056 is a wasteful number, since it uses less digits than its factorization.

1899056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118699 (or 118693 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1899056 is about 1378.0624078756. The cubic root of 1899056 is about 123.8357172344.

The spelling of 1899056 in words is "one million, eight hundred ninety-nine thousand, fifty-six".