3493702906 has 32 divisors (see below), whose sum is σ = 5584859280. Its totient is φ = 1636185600.

The previous prime is 3493702879. The next prime is 3493702907. The reversal of 3493702906 is 6092073943.

It can be written as a sum of positive squares in 8 ways, for example, as 560505625 + 2933197281 = 23675^2 + 54159^2 .

It is not an unprimeable number, because it can be changed into a prime (3493702907) 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, 426360 + ... + 434476.

Almost surely, 2^3493702906 is an apocalyptic number.

3493702906 is a deficient number, since it is larger than the sum of its proper divisors (2091156374).

3493702906 is a wasteful number, since it uses less digits than its factorization.

3493702906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 3493702906 is about 59107.5537135483. The cubic root of 3493702906 is about 1517.3833828240.

The spelling of 3493702906 in words is "three billion, four hundred ninety-three million, seven hundred two thousand, nine hundred six".