1906336 has 24 divisors (see below), whose sum is σ = 3847284. Its totient is φ = 929280.

The previous prime is 1906321. The next prime is 1906337. The reversal of 1906336 is 6336091.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 1936 = 1380^2 + 44^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 1 + 9³ + 0 + 6⁶ + 3⁷ + 3¹¹ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (1906337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586 + ... + 2038.

2^1906336 is an apocalyptic number.

1906336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1906336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923642).

1906336 is an abundant number, since it is smaller than the sum of its proper divisors (1940948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1906336 is a wasteful number, since it uses less digits than its factorization.

1906336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 1906336 is about 1380.7012710938. The cubic root of 1906336 is about 123.9937561893.

The spelling of 1906336 in words is "one million, nine hundred six thousand, three hundred thirty-six".