290064297 has 4 divisors (see below), whose sum is σ = 386752400. Its totient is φ = 193376196.

The previous prime is 290064287. The next prime is 290064301. The reversal of 290064297 is 792460092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 290064297 - 2⁶ = 290064233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290064277) 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, 48344047 + ... + 48344052.

It is an arithmetic number, because the mean of its divisors is an integer number (96688100).

Almost surely, 2^290064297 is an apocalyptic number.

It is an amenable number.

290064297 is a deficient number, since it is larger than the sum of its proper divisors (96688103).

290064297 is an equidigital number, since it uses as much as digits as its factorization.

290064297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96688102.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 290064297 is about 17031.2740862215. The cubic root of 290064297 is about 661.9595094240.

The spelling of 290064297 in words is "two hundred ninety million, sixty-four thousand, two hundred ninety-seven".