290011872 has 24 divisors (see below), whose sum is σ = 761281416. Its totient is φ = 96670592.

The previous prime is 290011867. The next prime is 290011933. The reversal of 290011872 is 278110092.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510383 + ... + 1510574.

It is an arithmetic number, because the mean of its divisors is an integer number (31720059).

Almost surely, 2^290011872 is an apocalyptic number.

It is an amenable number.

290011872 is an abundant number, since it is smaller than the sum of its proper divisors (471269544).

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

290011872 is a wasteful number, since it uses less digits than its factorization.

290011872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020970 (or 3020962 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 290011872 is about 17029.7349362813. The cubic root of 290011872 is about 661.9196270961.

The spelling of 290011872 in words is "two hundred ninety million, eleven thousand, eight hundred seventy-two".