290190329 has 16 divisors (see below), whose sum is σ = 341699904. Its totient is φ = 242961600.

The previous prime is 290190319. The next prime is 290190331. The reversal of 290190329 is 923091092.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290190329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290190319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68147 + ... + 72279.

It is an arithmetic number, because the mean of its divisors is an integer number (21356244).

Almost surely, 2^290190329 is an apocalyptic number.

It is an amenable number.

290190329 is a deficient number, since it is larger than the sum of its proper divisors (51509575).

290190329 is a wasteful number, since it uses less digits than its factorization.

290190329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 290190329 is about 17034.9737011831. The cubic root of 290190329 is about 662.0553686313.

The spelling of 290190329 in words is "two hundred ninety million, one hundred ninety thousand, three hundred twenty-nine".