2939845396 has 6 divisors (see below), whose sum is σ = 5144729450. Its totient is φ = 1469922696.

The previous prime is 2939845387. The next prime is 2939845409. The reversal of 2939845396 is 6935489392.

It can be written as a sum of positive squares in only one way, i.e., 1905322500 + 1034522896 = 43650^2 + 32164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2939845396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367480671 + ... + 367480678.

Almost surely, 2^2939845396 is an apocalyptic number.

It is an amenable number.

2939845396 is a deficient number, since it is larger than the sum of its proper divisors (2204884054).

2939845396 is a wasteful number, since it uses less digits than its factorization.

2939845396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734961353 (or 734961351 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 58.

The square root of 2939845396 is about 54220.3411645482. The cubic root of 2939845396 is about 1432.5446396651.

The spelling of 2939845396 in words is "two billion, nine hundred thirty-nine million, eight hundred forty-five thousand, three hundred ninety-six".