3285404638 has 8 divisors (see below), whose sum is σ = 4928726088. Its totient is φ = 1642495944.

The previous prime is 3285404623. The next prime is 3285404671. The reversal of 3285404638 is 8364045823.

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

It is a super-2 number, since 2×3285404638² = 21587767270783822088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3285404594 and 3285404603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82456 + ... + 115627.

It is an arithmetic number, because the mean of its divisors is an integer number (616090761).

Almost surely, 2^3285404638 is an apocalyptic number.

3285404638 is a deficient number, since it is larger than the sum of its proper divisors (1643321450).

3285404638 is a wasteful number, since it uses less digits than its factorization.

3285404638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206378.

The product of its (nonzero) digits is 552960, while the sum is 43.

The square root of 3285404638 is about 57318.4493684189. The cubic root of 3285404638 is about 1486.6073943158.

The spelling of 3285404638 in words is "three billion, two hundred eighty-five million, four hundred four thousand, six hundred thirty-eight".