1986226 has 16 divisors (see below), whose sum is σ = 3278880. Its totient is φ = 894880.

The previous prime is 1986223. The next prime is 1986233. The reversal of 1986226 is 6226891.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1986191 and 1986200.

It is not an unprimeable number, because it can be changed into a prime (1986223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (204930).

2^1986226 is an apocalyptic number.

1986226 is a deficient number, since it is larger than the sum of its proper divisors (1292654).

1986226 is a wasteful number, since it uses less digits than its factorization.

1986226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its digits is 10368, while the sum is 34.

The square root of 1986226 is about 1409.3353043190. The cubic root of 1986226 is about 125.7022025724.

The spelling of 1986226 in words is "one million, nine hundred eighty-six thousand, two hundred twenty-six".