290367216 has 30 divisors (see below), whose sum is σ = 812625320. Its totient is φ = 96789024.

The previous prime is 290367211. The next prime is 290367229. The reversal of 290367216 is 612763092.

290367216 is a `hidden beast` number, since 290 + 367 + 2 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290367211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1008076 + ... + 1008363.

Almost surely, 2^290367216 is an apocalyptic number.

It is an amenable number.

290367216 is an abundant number, since it is smaller than the sum of its proper divisors (522258104).

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

290367216 is a wasteful number, since it uses less digits than its factorization.

290367216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016453 (or 2016444 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 290367216 is about 17040.1647879356. The cubic root of 290367216 is about 662.1898610541.

The spelling of 290367216 in words is "two hundred ninety million, three hundred sixty-seven thousand, two hundred sixteen".