2938273830 has 24 divisors (see below), whose sum is σ = 7639512192. Its totient is φ = 783539664.

The previous prime is 2938273813. The next prime is 2938273831. The reversal of 2938273830 is 383728392.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938273831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16323654 + ... + 16323833.

It is an arithmetic number, because the mean of its divisors is an integer number (318313008).

Almost surely, 2^2938273830 is an apocalyptic number.

2938273830 is an abundant number, since it is smaller than the sum of its proper divisors (4701238362).

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

2938273830 is a wasteful number, since it uses less digits than its factorization.

2938273830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32647500 (or 32647497 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2938273830 is about 54205.8468248583. The cubic root of 2938273830 is about 1432.2893269491.

The spelling of 2938273830 in words is "two billion, nine hundred thirty-eight million, two hundred seventy-three thousand, eight hundred thirty".