290383197 has 16 divisors (see below), whose sum is σ = 427132608. Its totient is φ = 174337920.

The previous prime is 290383189. The next prime is 290383199. The reversal of 290383197 is 791383092.

It is not a de Polignac number, because 290383197 - 2³ = 290383189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290383199) 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, 89203 + ... + 92400.

It is an arithmetic number, because the mean of its divisors is an integer number (26695788).

Almost surely, 2^290383197 is an apocalyptic number.

It is an amenable number.

290383197 is a deficient number, since it is larger than the sum of its proper divisors (136749411).

290383197 is a wasteful number, since it uses less digits than its factorization.

290383197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181660.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 290383197 is about 17040.6337030053. The cubic root of 290383197 is about 662.2020091910.

The spelling of 290383197 in words is "two hundred ninety million, three hundred eighty-three thousand, one hundred ninety-seven".