2239428087 has 32 divisors (see below), whose sum is σ = 3577736960. Its totient is φ = 1376235360.

The previous prime is 2239428067. The next prime is 2239428091. The reversal of 2239428087 is 7808249322.

It is a de Polignac number, because none of the positive numbers 2^k-2239428087 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239428067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280728 + ... + 288594.

It is an arithmetic number, because the mean of its divisors is an integer number (111804280).

Almost surely, 2^2239428087 is an apocalyptic number.

2239428087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2239428087 is a deficient number, since it is larger than the sum of its proper divisors (1338308873).

2239428087 is a wasteful number, since it uses less digits than its factorization.

2239428087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700 (or 8694 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2239428087 is about 47322.5959452776. The cubic root of 2239428087 is about 1308.3151595169.

The spelling of 2239428087 in words is "two billion, two hundred thirty-nine million, four hundred twenty-eight thousand, eighty-seven".