3420478267 has 4 divisors (see below), whose sum is σ = 3437666800. Its totient is φ = 3403289736.

The previous prime is 3420478253. The next prime is 3420478273. The reversal of 3420478267 is 7628740243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3420478267 - 2¹⁵ = 3420445499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420478277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8593968 + ... + 8594365.

It is an arithmetic number, because the mean of its divisors is an integer number (859416700).

Almost surely, 2^3420478267 is an apocalyptic number.

3420478267 is a deficient number, since it is larger than the sum of its proper divisors (17188533).

3420478267 is a wasteful number, since it uses less digits than its factorization.

3420478267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188532.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 3420478267 is about 58484.8550224757. The cubic root of 3420478267 is about 1506.7074827799.

The spelling of 3420478267 in words is "three billion, four hundred twenty million, four hundred seventy-eight thousand, two hundred sixty-seven".