2604386 has 8 divisors (see below), whose sum is σ = 3945564. Its totient is φ = 1289200.

The previous prime is 2604377. The next prime is 2604391. The reversal of 2604386 is 6834062.

It can be written as a sum of positive squares in 2 ways, for example, as 2307361 + 297025 = 1519^2 + 545^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 6245 + ... + 6648.

2^2604386 is an apocalyptic number.

2604386 is a deficient number, since it is larger than the sum of its proper divisors (1341178).

2604386 is a wasteful number, since it uses less digits than its factorization.

2604386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12996.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2604386 is about 1613.8110174367. The cubic root of 2604386 is about 137.5841644500.

The spelling of 2604386 in words is "two million, six hundred four thousand, three hundred eighty-six".