3420360385 has 32 divisors (see below), whose sum is σ = 4497857280. Its totient is φ = 2481608448.

The previous prime is 3420360347. The next prime is 3420360421. The reversal of 3420360385 is 5830630243.

It is a cyclic number.

It is not a de Polignac number, because 3420360385 - 2¹⁹ = 3419836097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3420360385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2215924 + ... + 2217466.

It is an arithmetic number, because the mean of its divisors is an integer number (140558040).

Almost surely, 2^3420360385 is an apocalyptic number.

It is an amenable number.

3420360385 is a deficient number, since it is larger than the sum of its proper divisors (1077496895).

3420360385 is a wasteful number, since it uses less digits than its factorization.

3420360385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 3420360385 is about 58483.8472144232. The cubic root of 3420360385 is about 1506.6901737257.

The spelling of 3420360385 in words is "three billion, four hundred twenty million, three hundred sixty thousand, three hundred eighty-five".