290321016 has 16 divisors (see below), whose sum is σ = 725802600. Its totient is φ = 96773664.

The previous prime is 290321011. The next prime is 290321023. The reversal of 290321016 is 610123092.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 12096709 = 290321016 / (2 + 9 + 0 + 3 + 2 + 1 + 0 + 1 + 6).

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 (290321011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6048331 + ... + 6048378.

Almost surely, 2^290321016 is an apocalyptic number.

It is an amenable number.

290321016 is an abundant number, since it is smaller than the sum of its proper divisors (435481584).

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

290321016 is a wasteful number, since it uses less digits than its factorization.

290321016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096718 (or 12096714 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 290321016 is about 17038.8091133154. The cubic root of 290321016 is about 662.1547390975.

The spelling of 290321016 in words is "two hundred ninety million, three hundred twenty-one thousand, sixteen".