290322049 has 4 divisors (see below), whose sum is σ = 290713536. Its totient is φ = 289930564.

The previous prime is 290322023. The next prime is 290322079. The reversal of 290322049 is 940223092.

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 a cyclic number.

It is not a de Polignac number, because 290322049 - 2¹¹ = 290320001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290322049.

It is not an unprimeable number, because it can be changed into a prime (290322079) 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, 194629 + ... + 196114.

It is an arithmetic number, because the mean of its divisors is an integer number (72678384).

Almost surely, 2^290322049 is an apocalyptic number.

It is an amenable number.

290322049 is a deficient number, since it is larger than the sum of its proper divisors (391487).

290322049 is an equidigital number, since it uses as much as digits as its factorization.

290322049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391486.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 290322049 is about 17038.8394264398. The cubic root of 290322049 is about 662.1555244408.

The spelling of 290322049 in words is "two hundred ninety million, three hundred twenty-two thousand, forty-nine".