2319290 has 16 divisors (see below), whose sum is σ = 4246560. Its totient is φ = 911760.

The previous prime is 2319287. The next prime is 2319299. The reversal of 2319290 is 929132.

It is a super-2 number, since 2×2319290² = 10758212208200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2319299) 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, 1376 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (265410).

2^2319290 is an apocalyptic number.

2319290 is a deficient number, since it is larger than the sum of its proper divisors (1927270).

2319290 is a wasteful number, since it uses less digits than its factorization.

2319290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2319290 is about 1522.9215344199. The cubic root of 2319290 is about 132.3686130849.

The spelling of 2319290 in words is "two million, three hundred nineteen thousand, two hundred ninety".