290993315 has 4 divisors (see below), whose sum is σ = 349191984. Its totient is φ = 232794648.

The previous prime is 290993239. The next prime is 290993317. The reversal of 290993315 is 513399092.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 290993315 - 2¹⁰ = 290992291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290993317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29099327 + ... + 29099336.

It is an arithmetic number, because the mean of its divisors is an integer number (87297996).

Almost surely, 2^290993315 is an apocalyptic number.

290993315 is a deficient number, since it is larger than the sum of its proper divisors (58198669).

290993315 is an equidigital number, since it uses as much as digits as its factorization.

290993315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58198668.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 290993315 is about 17058.5261672866. The cubic root of 290993315 is about 662.6654643073.

The spelling of 290993315 in words is "two hundred ninety million, nine hundred ninety-three thousand, three hundred fifteen".