3238520355 has 24 divisors (see below), whose sum is σ = 6415355232. Its totient is φ = 1480466304.

The previous prime is 3238520339. The next prime is 3238520371. The reversal of 3238520355 is 5530258323.

3238520355 is a `hidden beast` number, since 323 + 85 + 203 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (3238520339) and next prime (3238520371).

It is not a de Polignac number, because 3238520355 - 2⁴ = 3238520339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5140194 + ... + 5140823.

It is an arithmetic number, because the mean of its divisors is an integer number (267306468).

Almost surely, 2^3238520355 is an apocalyptic number.

3238520355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3238520355 is a deficient number, since it is larger than the sum of its proper divisors (3176834877).

3238520355 is a wasteful number, since it uses less digits than its factorization.

3238520355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281035 (or 10281032 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 3238520355 is about 56907.9990423139. Note that the first 3 decimals coincide. The cubic root of 3238520355 is about 1479.5019560798.

Adding to 3238520355 its reverse (5530258323), we get a palindrome (8768778678).

The spelling of 3238520355 in words is "three billion, two hundred thirty-eight million, five hundred twenty thousand, three hundred fifty-five".