2190329 has 2 divisors, whose sum is σ = 2190330. Its totient is φ = 2190328.

The previous prime is 2190317. The next prime is 2190337. The reversal of 2190329 is 9230912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 1092025 = 1048^2 + 1045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190329 is a prime.

It is a super-2 number, since 2×2190329² = 9595082256482, which contains 22 as substring.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2190298 and 2190307.

It is not a weakly prime, because it can be changed into another prime (2190389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095164 + 1095165.

It is an arithmetic number, because the mean of its divisors is an integer number (1095165).

2^2190329 is an apocalyptic number.

It is an amenable number.

2190329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190329 is an equidigital number, since it uses as much as digits as its factorization.

2190329 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2190329 is about 1479.9760133191. The cubic root of 2190329 is about 129.8682886907.

The spelling of 2190329 in words is "two million, one hundred ninety thousand, three hundred twenty-nine".