2428697238 has 96 divisors (see below), whose sum is σ = 5518074240. Its totient is φ = 711638400.

The previous prime is 2428697209. The next prime is 2428697251. The reversal of 2428697238 is 8327968242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4137181 + ... + 4137767.

It is an arithmetic number, because the mean of its divisors is an integer number (57479940).

Almost surely, 2^2428697238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2428697238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759037120).

2428697238 is an abundant number, since it is smaller than the sum of its proper divisors (3089377002).

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

2428697238 is a wasteful number, since it uses less digits than its factorization.

2428697238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 783 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 2428697238 is about 49281.8144755243. The cubic root of 2428697238 is about 1344.1811257186.

The spelling of 2428697238 in words is "two billion, four hundred twenty-eight million, six hundred ninety-seven thousand, two hundred thirty-eight".