3238145479 has 4 divisors (see below), whose sum is σ = 3239034120. Its totient is φ = 3237256840.

The previous prime is 3238145467. The next prime is 3238145503. The reversal of 3238145479 is 9745418323.

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 3238145479 - 2⁵ = 3238145447 is a prime.

It is a super-2 number, since 2×3238145479² = 20971172286336278882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238145419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438832 + ... + 446149.

It is an arithmetic number, because the mean of its divisors is an integer number (809758530).

Almost surely, 2^3238145479 is an apocalyptic number.

3238145479 is a deficient number, since it is larger than the sum of its proper divisors (888641).

3238145479 is an equidigital number, since it uses as much as digits as its factorization.

3238145479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888640.

The product of its digits is 725760, while the sum is 46.

The square root of 3238145479 is about 56904.7052448214. The cubic root of 3238145479 is about 1479.4448671301. Note that the first 3 decimals are identical.

The spelling of 3238145479 in words is "three billion, two hundred thirty-eight million, one hundred forty-five thousand, four hundred seventy-nine".