2915239890 has 32 divisors (see below), whose sum is σ = 7004745216. Its totient is φ = 776489600.

The previous prime is 2915239867. The next prime is 2915239891. The reversal of 2915239890 is 989325192.

2915239890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2915239891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30411 + ... + 82190.

It is an arithmetic number, because the mean of its divisors is an integer number (218898288).

Almost surely, 2^2915239890 is an apocalyptic number.

2915239890 is an abundant number, since it is smaller than the sum of its proper divisors (4089505326).

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

2915239890 is a wasteful number, since it uses less digits than its factorization.

2915239890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113474.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 2915239890 is about 53992.9614857344. The cubic root of 2915239890 is about 1428.5368002416.

The spelling of 2915239890 in words is "two billion, nine hundred fifteen million, two hundred thirty-nine thousand, eight hundred ninety".