290738269 has 8 divisors (see below), whose sum is σ = 293287040. Its totient is φ = 288198000.

The previous prime is 290738263. The next prime is 290738281. The reversal of 290738269 is 962837092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290738269 - 2²¹ = 288641117 is a prime.

It is a super-2 number, since 2×290738269² = 169057482122232722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290738263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79912 + ... + 83470.

It is an arithmetic number, because the mean of its divisors is an integer number (36660880).

Almost surely, 2^290738269 is an apocalyptic number.

It is an amenable number.

290738269 is a deficient number, since it is larger than the sum of its proper divisors (2548771).

290738269 is a wasteful number, since it uses less digits than its factorization.

290738269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 290738269 is about 17051.0489120171. The cubic root of 290738269 is about 662.4718062762.

The spelling of 290738269 in words is "two hundred ninety million, seven hundred thirty-eight thousand, two hundred sixty-nine".