290992080 has 80 divisors (see below), whose sum is σ = 914834304. Its totient is φ = 76500480.

The previous prime is 290992033. The next prime is 290992103. The reversal of 290992080 is 80299092.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8502 + ... + 25578.

Almost surely, 2^290992080 is an apocalyptic number.

290992080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290992080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457417152).

290992080 is an abundant number, since it is smaller than the sum of its proper divisors (623842224).

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

290992080 is a wasteful number, since it uses less digits than its factorization.

290992080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17164 (or 17158 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 290992080 is about 17058.4899683413. The cubic root of 290992080 is about 662.6645268367.

The spelling of 290992080 in words is "two hundred ninety million, nine hundred ninety-two thousand, eighty".