3520705390 has 16 divisors (see below), whose sum is σ = 6351981120. Its totient is φ = 1405012960.

The previous prime is 3520705387. The next prime is 3520705399. The reversal of 3520705390 is 935070253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520705399) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 404125 + ... + 412744.

It is an arithmetic number, because the mean of its divisors is an integer number (396998820).

Almost surely, 2^3520705390 is an apocalyptic number.

3520705390 is a deficient number, since it is larger than the sum of its proper divisors (2831275730).

3520705390 is a wasteful number, since it uses less digits than its factorization.

3520705390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817307.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 3520705390 is about 59335.5322719869. The cubic root of 3520705390 is about 1521.2825898146.

The spelling of 3520705390 in words is "three billion, five hundred twenty million, seven hundred five thousand, three hundred ninety".