290896697 has 16 divisors (see below), whose sum is σ = 358657152. Its totient is φ = 229754880.

The previous prime is 290896687. The next prime is 290896717. The reversal of 290896697 is 796698092.

It is a cyclic number.

It is not a de Polignac number, because 290896697 - 2⁶ = 290896633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (290896607) 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, 55838 + ... + 60824.

It is an arithmetic number, because the mean of its divisors is an integer number (22416072).

Almost surely, 2^290896697 is an apocalyptic number.

It is an amenable number.

290896697 is a deficient number, since it is larger than the sum of its proper divisors (67760455).

290896697 is a wasteful number, since it uses less digits than its factorization.

290896697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 290896697 is about 17055.6939759131. The cubic root of 290896697 is about 662.5921149714.

The spelling of 290896697 in words is "two hundred ninety million, eight hundred ninety-six thousand, six hundred ninety-seven".