1906446 has 8 divisors (see below), whose sum is σ = 3812904. Its totient is φ = 635480.

The previous prime is 1906439. The next prime is 1906453. The reversal of 1906446 is 6446091.

It is an interprime number because it is at equal distance from previous prime (1906439) and next prime (1906453).

It is a sphenic number, since it is the product of 3 distinct primes.

1906446 is an admirable number.

It is a plaindrome in base 14.

It is a congruent number.

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, 158865 + ... + 158876.

It is an arithmetic number, because the mean of its divisors is an integer number (476613).

2^1906446 is an apocalyptic number.

1906446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1906446 is a wasteful number, since it uses less digits than its factorization.

1906446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317746.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1906446 is about 1380.7411053489. The cubic root of 1906446 is about 123.9961410523.

It can be divided in two parts, 19064 and 46, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 1906446 in words is "one million, nine hundred six thousand, four hundred forty-six".