1946404 has 6 divisors (see below), whose sum is σ = 3406214. Its totient is φ = 973200.

The previous prime is 1946401. The next prime is 1946407. The reversal of 1946404 is 4046491.

It is an interprime number because it is at equal distance from previous prime (1946401) and next prime (1946407).

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 123904 = 1350^2 + 352^2 .

It is a super-3 number, since 3×1946404³ = 22121787693338841792, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1946401) by changing a digit.

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 as a sum of consecutive naturals, namely, 243297 + ... + 243304.

2^1946404 is an apocalyptic number.

It is an amenable number.

1946404 is a deficient number, since it is larger than the sum of its proper divisors (1459810).

1946404 is a wasteful number, since it uses less digits than its factorization.

1946404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486605 (or 486603 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1946404 is about 1395.1358356805. The cubic root of 1946404 is about 124.8564538859.

The spelling of 1946404 in words is "one million, nine hundred forty-six thousand, four hundred four".