3420409887 has 12 divisors (see below), whose sum is σ = 5200623480. Its totient is φ = 2160258768.

The previous prime is 3420409859. The next prime is 3420409897. The reversal of 3420409887 is 7889040243.

It is not a de Polignac number, because 3420409887 - 2¹⁰ = 3420408863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420409807) 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 11 ways as a sum of consecutive naturals, for example, 10001028 + ... + 10001369.

It is an arithmetic number, because the mean of its divisors is an integer number (433385290).

Almost surely, 2^3420409887 is an apocalyptic number.

3420409887 is a deficient number, since it is larger than the sum of its proper divisors (1780213593).

3420409887 is a wasteful number, since it uses less digits than its factorization.

3420409887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002422 (or 20002419 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3420409887 is about 58484.2704237644. The cubic root of 3420409887 is about 1506.6974423376.

The spelling of 3420409887 in words is "three billion, four hundred twenty million, four hundred nine thousand, eight hundred eighty-seven".