2061404 has 6 divisors (see below), whose sum is σ = 3607464. Its totient is φ = 1030700.

The previous prime is 2061391. The next prime is 2061413. The reversal of 2061404 is 4041602.

It is a plaindrome in base 15.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257672 + ... + 257679.

It is an arithmetic number, because the mean of its divisors is an integer number (601244).

2^2061404 is an apocalyptic number.

It is an amenable number.

2061404 is a deficient number, since it is larger than the sum of its proper divisors (1546060).

2061404 is a wasteful number, since it uses less digits than its factorization.

2061404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515355 (or 515353 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2061404 is about 1435.7590327071. The cubic root of 2061404 is about 127.2685330096.

The spelling of 2061404 in words is "two million, sixty-one thousand, four hundred four".