3655438 has 8 divisors (see below), whose sum is σ = 5517288. Its totient is φ = 1816344.

The previous prime is 3655423. The next prime is 3655447. The reversal of 3655438 is 8345563.

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

It is an Ulam number.

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 in 3 ways as a sum of consecutive naturals, for example, 5281 + ... + 5932.

It is an arithmetic number, because the mean of its divisors is an integer number (689661).

Almost surely, 2^3655438 is an apocalyptic number.

3655438 is a deficient number, since it is larger than the sum of its proper divisors (1861850).

3655438 is a wasteful number, since it uses less digits than its factorization.

3655438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11378.

The product of its digits is 43200, while the sum is 34.

The square root of 3655438 is about 1911.9199774049. The cubic root of 3655438 is about 154.0445983160.

The spelling of 3655438 in words is "three million, six hundred fifty-five thousand, four hundred thirty-eight".