1894156 has 12 divisors (see below), whose sum is σ = 3616200. Its totient is φ = 860960.

The previous prime is 1894127. The next prime is 1894163. The reversal of 1894156 is 6514981.

It is a zygodrome in base 2.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 21481 + ... + 21568.

It is an arithmetic number, because the mean of its divisors is an integer number (301350).

2^1894156 is an apocalyptic number.

It is an amenable number.

1894156 is a deficient number, since it is larger than the sum of its proper divisors (1722044).

1894156 is a wasteful number, since it uses less digits than its factorization.

1894156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43064 (or 43062 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 1894156 is about 1376.2834010479. The cubic root of 1894156 is about 123.7291173143.

It can be divided in two parts, 18941 and 56, that multiplied together give a triangular number (1060696 = T₁₄₅₆).

The spelling of 1894156 in words is "one million, eight hundred ninety-four thousand, one hundred fifty-six".