3285404639 has 16 divisors (see below), whose sum is σ = 3640611744. Its totient is φ = 2939788800.

The previous prime is 3285404623. The next prime is 3285404671. The reversal of 3285404639 is 9364045823.

It is a cyclic number.

It is not a de Polignac number, because 3285404639 - 2⁴ = 3285404623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3285404639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285407639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414437 + ... + 422289.

It is an arithmetic number, because the mean of its divisors is an integer number (227538234).

Almost surely, 2^3285404639 is an apocalyptic number.

3285404639 is a deficient number, since it is larger than the sum of its proper divisors (355207105).

3285404639 is a wasteful number, since it uses less digits than its factorization.

3285404639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 3285404639 is about 57318.4493771421. The cubic root of 3285404639 is about 1486.6073944666.

The spelling of 3285404639 in words is "three billion, two hundred eighty-five million, four hundred four thousand, six hundred thirty-nine".