3831288390 has 64 divisors (see below), whose sum is σ = 10454400000. Its totient is φ = 997913952.

The previous prime is 3831288389. The next prime is 3831288401. The reversal of 3831288390 is 938821383.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153390 + ... + 176609.

It is an arithmetic number, because the mean of its divisors is an integer number (163350000).

Almost surely, 2^3831288390 is an apocalyptic number.

3831288390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3831288390 is an abundant number, since it is smaller than the sum of its proper divisors (6623111610).

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

3831288390 is a wasteful number, since it uses less digits than its factorization.

3831288390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330058 (or 330052 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 3831288390 is about 61897.4021264221. The cubic root of 3831288390 is about 1564.7619653826.

The spelling of 3831288390 in words is "three billion, eight hundred thirty-one million, two hundred eighty-eight thousand, three hundred ninety".