3420478852 has 12 divisors (see below), whose sum is σ = 6840957760. Its totient is φ = 1465919496.

The previous prime is 3420478847. The next prime is 3420478871. The reversal of 3420478852 is 2588740243.

3420478852 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3420478799 and 3420478808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61079952 + ... + 61080007.

Almost surely, 2^3420478852 is an apocalyptic number.

It is an amenable number.

3420478852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3420478852 is a wasteful number, since it uses less digits than its factorization.

3420478852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122159970 (or 122159968 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 3420478852 is about 58484.8600237703. The cubic root of 3420478852 is about 1506.7075686767.

The spelling of 3420478852 in words is "three billion, four hundred twenty million, four hundred seventy-eight thousand, eight hundred fifty-two".