290342979 has 12 divisors (see below), whose sum is σ = 419549832. Its totient is φ = 193485600.

The previous prime is 290342947. The next prime is 290342999. The reversal of 290342979 is 979243092.

It is not a de Polignac number, because 290342979 - 2⁵ = 290342947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290342929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26799 + ... + 36039.

It is an arithmetic number, because the mean of its divisors is an integer number (34962486).

Almost surely, 2^290342979 is an apocalyptic number.

290342979 is a deficient number, since it is larger than the sum of its proper divisors (129206853).

290342979 is a wasteful number, since it uses less digits than its factorization.

290342979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738 (or 12735 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 290342979 is about 17039.4536003946. The cubic root of 290342979 is about 662.1714361754.

The spelling of 290342979 in words is "two hundred ninety million, three hundred forty-two thousand, nine hundred seventy-nine".