3539240646 has 32 divisors (see below), whose sum is σ = 7248890880. Its totient is φ = 1151389344.

The previous prime is 3539240641. The next prime is 3539240647. The reversal of 3539240646 is 6460429353.

3539240646 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3539240598 and 3539240607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539240641) 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, 366496 + ... + 376028.

It is an arithmetic number, because the mean of its divisors is an integer number (226527840).

Almost surely, 2^3539240646 is an apocalyptic number.

3539240646 is an abundant number, since it is smaller than the sum of its proper divisors (3709650234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3539240646 is a wasteful number, since it uses less digits than its factorization.

3539240646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020.

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 3539240646 is about 59491.5174289579. The cubic root of 3539240646 is about 1523.9475882872.

Adding to 3539240646 its reverse (6460429353), we get a palindrome (9999669999).

The spelling of 3539240646 in words is "three billion, five hundred thirty-nine million, two hundred forty thousand, six hundred forty-six".