1890938 has 16 divisors (see below), whose sum is σ = 3346944. Its totient is φ = 784080.

The previous prime is 1890923. The next prime is 1890953. The reversal of 1890938 is 8390981.

It is an interprime number because it is at equal distance from previous prime (1890923) and next prime (1890953).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (209184).

2^1890938 is an apocalyptic number.

1890938 is a deficient number, since it is larger than the sum of its proper divisors (1456006).

1890938 is a wasteful number, since it uses less digits than its factorization.

1890938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1890938 is about 1375.1138134715. The cubic root of 1890938 is about 123.6590093978.

The spelling of 1890938 in words is "one million, eight hundred ninety thousand, nine hundred thirty-eight".