2392990217 has 4 divisors (see below), whose sum is σ = 2393974596. Its totient is φ = 2392005840.

The previous prime is 2392990199. The next prime is 2392990241. The reversal of 2392990217 is 7120992932.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1987733056 + 405257161 = 44584^2 + 20131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2392990217 - 2¹² = 2392986121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2392990247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488534 + ... + 493407.

It is an arithmetic number, because the mean of its divisors is an integer number (598493649).

Almost surely, 2^2392990217 is an apocalyptic number.

It is an amenable number.

2392990217 is a deficient number, since it is larger than the sum of its proper divisors (984379).

2392990217 is an equidigital number, since it uses as much as digits as its factorization.

2392990217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984378.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 2392990217 is about 48918.1992411822. The cubic root of 2392990217 is about 1337.5611346790.

The spelling of 2392990217 in words is "two billion, three hundred ninety-two million, nine hundred ninety thousand, two hundred seventeen".