1891054 has 16 divisors (see below), whose sum is σ = 3168000. Its totient is φ = 839160.

The previous prime is 1891049. The next prime is 1891069. The reversal of 1891054 is 4501981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 1945.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

2^1891054 is an apocalyptic number.

1891054 is a deficient number, since it is larger than the sum of its proper divisors (1276946).

1891054 is a wasteful number, since it uses less digits than its factorization.

1891054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1891054 is about 1375.1559911515. The cubic root of 1891054 is about 123.6615379756.

The spelling of 1891054 in words is "one million, eight hundred ninety-one thousand, fifty-four".