3556994346 has 12 divisors (see below), whose sum is σ = 7706821122. Its totient is φ = 1185664776.

The previous prime is 3556994317. The next prime is 3556994359. The reversal of 3556994346 is 6434996553.

3556994346 is a `hidden beast` number, since 3 + 556 + 9 + 9 + 43 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2460656025 + 1096338321 = 49605^2 + 33111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3556994292 and 3556994301.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98805381 + ... + 98805416.

Almost surely, 2^3556994346 is an apocalyptic number.

3556994346 is an abundant number, since it is smaller than the sum of its proper divisors (4149826776).

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

3556994346 is a wasteful number, since it uses less digits than its factorization.

3556994346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197610805 (or 197610802 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 54.

The square root of 3556994346 is about 59640.5428043709. The cubic root of 3556994346 is about 1526.4915044634.

The spelling of 3556994346 in words is "three billion, five hundred fifty-six million, nine hundred ninety-four thousand, three hundred forty-six".