290270005 has 8 divisors (see below), whose sum is σ = 363468672. Its totient is φ = 222119568.

The previous prime is 290269981. The next prime is 290270021. The reversal of 290270005 is 500072092.

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 290270005 - 2¹⁹ = 289745717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261929 + ... + 1262158.

It is an arithmetic number, because the mean of its divisors is an integer number (45433584).

Almost surely, 2^290270005 is an apocalyptic number.

It is an amenable number.

290270005 is a deficient number, since it is larger than the sum of its proper divisors (73198667).

290270005 is a wasteful number, since it uses less digits than its factorization.

290270005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524115.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 290270005 is about 17037.3121412974. The cubic root of 290270005 is about 662.1159554155.

The spelling of 290270005 in words is "two hundred ninety million, two hundred seventy thousand, five".