290324249 has 8 divisors (see below), whose sum is σ = 318002760. Its totient is φ = 263823616.

The previous prime is 290324231. The next prime is 290324257. The reversal of 290324249 is 942423092.

It can be written as a sum of positive squares in 4 ways, for example, as 160478224 + 129846025 = 12668^2 + 11395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290324249 - 2¹² = 290320153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290324449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293954 + ... + 294939.

It is an arithmetic number, because the mean of its divisors is an integer number (39750345).

Almost surely, 2^290324249 is an apocalyptic number.

290324249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

290324249 is a deficient number, since it is larger than the sum of its proper divisors (27678511).

290324249 is a wasteful number, since it uses less digits than its factorization.

290324249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588939.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 290324249 is about 17038.9039847051. The cubic root of 290324249 is about 662.1571969955.

The spelling of 290324249 in words is "two hundred ninety million, three hundred twenty-four thousand, two hundred forty-nine".