3238530918 has 16 divisors (see below), whose sum is σ = 7402356480. Its totient is φ = 925294536.

The previous prime is 3238530913. The next prime is 3238530947. The reversal of 3238530918 is 8190358323.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 77107879 = 3238530918 / (3 + 2 + 3 + 8 + 5 + 3 + 0 + 9 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 3238530918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238530913) 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, 38553898 + ... + 38553981.

It is an arithmetic number, because the mean of its divisors is an integer number (462647280).

Almost surely, 2^3238530918 is an apocalyptic number.

3238530918 is an abundant number, since it is smaller than the sum of its proper divisors (4163825562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3238530918 is a wasteful number, since it uses less digits than its factorization.

3238530918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77107891.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3238530918 is about 56908.0918499294. The cubic root of 3238530918 is about 1479.5035646294.

The spelling of 3238530918 in words is "three billion, two hundred thirty-eight million, five hundred thirty thousand, nine hundred eighteen".