290085376 has 80 divisors (see below), whose sum is σ = 685491840. Its totient is φ = 119992320.

The previous prime is 290085329. The next prime is 290085391. The reversal of 290085376 is 673580092.

It is a super-2 number, since 2×290085376² = 168299050738122752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102541 + ... + 105331.

It is an arithmetic number, because the mean of its divisors is an integer number (8568648).

Almost surely, 2^290085376 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 290085376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342745920).

290085376 is an abundant number, since it is smaller than the sum of its proper divisors (395406464).

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

290085376 is an equidigital number, since it uses as much as digits as its factorization.

290085376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 290085376 is about 17031.8929071316. The cubic root of 290085376 is about 661.9755439224.

The spelling of 290085376 in words is "two hundred ninety million, eighty-five thousand, three hundred seventy-six".