3386478397 has 2 divisors, whose sum is σ = 3386478398. Its totient is φ = 3386478396.

The previous prime is 3386478343. The next prime is 3386478457. The reversal of 3386478397 is 7938746833.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2162808036 + 1223670361 = 46506^2 + 34981^2 .

It is an emirp because it is prime and its reverse (7938746833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3386478397 - 2¹¹ = 3386476349 is a prime.

It is a super-2 number, since 2×3386478397² = 22936471866695379218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3386478097) 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 as a sum of consecutive naturals, namely, 1693239198 + 1693239199.

It is an arithmetic number, because the mean of its divisors is an integer number (1693239199).

Almost surely, 2^3386478397 is an apocalyptic number.

It is an amenable number.

3386478397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3386478397 is an equidigital number, since it uses as much as digits as its factorization.

3386478397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 58.

The square root of 3386478397 is about 58193.4566510703. The cubic root of 3386478397 is about 1501.6985790860.

The spelling of 3386478397 in words is "three billion, three hundred eighty-six million, four hundred seventy-eight thousand, three hundred ninety-seven".