290683641 has 16 divisors (see below), whose sum is σ = 415679040. Its totient is φ = 180123840.

The previous prime is 290683639. The next prime is 290683651. The reversal of 290683641 is 146386092.

It is not a de Polignac number, because 290683641 - 2¹ = 290683639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290683641.

It is not an unprimeable number, because it can be changed into a prime (290683651) 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 15 ways as a sum of consecutive naturals, for example, 45090 + ... + 51131.

It is an arithmetic number, because the mean of its divisors is an integer number (25979940).

Almost surely, 2^290683641 is an apocalyptic number.

It is an amenable number.

290683641 is a deficient number, since it is larger than the sum of its proper divisors (124995399).

290683641 is a wasteful number, since it uses less digits than its factorization.

290683641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96296.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 290683641 is about 17049.4469411767. The cubic root of 290683641 is about 662.4303121667.

The spelling of 290683641 in words is "two hundred ninety million, six hundred eighty-three thousand, six hundred forty-one".