290530512 has 120 divisors (see below), whose sum is σ = 862484480. Its totient is φ = 91134720.

The previous prime is 290530483. The next prime is 290530519. The reversal of 290530512 is 215035092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290530519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164289 + ... + 166047.

Almost surely, 2^290530512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290530512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431242240).

290530512 is an abundant number, since it is smaller than the sum of its proper divisors (571953968).

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

290530512 is a wasteful number, since it uses less digits than its factorization.

290530512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 290530512 is about 17044.9556174254. The cubic root of 290530512 is about 662.3139713593.

The spelling of 290530512 in words is "two hundred ninety million, five hundred thirty thousand, five hundred twelve".