3438163947 has 8 divisors (see below), whose sum is σ = 4783532544. Its totient is φ = 2192452328.

The previous prime is 3438163921. The next prime is 3438163957. The reversal of 3438163947 is 7493618343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3438163947 - 2¹⁴ = 3438147563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3438163896 and 3438163905.

It is not an unprimeable number, because it can be changed into a prime (3438163957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24914163 + ... + 24914300.

It is an arithmetic number, because the mean of its divisors is an integer number (597941568).

Almost surely, 2^3438163947 is an apocalyptic number.

3438163947 is a deficient number, since it is larger than the sum of its proper divisors (1345368597).

3438163947 is a wasteful number, since it uses less digits than its factorization.

3438163947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49828489.

The product of its digits is 1306368, while the sum is 48.

The square root of 3438163947 is about 58635.8588834512. The cubic root of 3438163947 is about 1509.2998445474.

The spelling of 3438163947 in words is "three billion, four hundred thirty-eight million, one hundred sixty-three thousand, nine hundred forty-seven".