1490233 has 2 divisors, whose sum is σ = 1490234. Its totient is φ = 1490232.

The previous prime is 1490213. The next prime is 1490243. The reversal of 1490233 is 3320941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 514089 = 988^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490233 - 2⁹ = 1489721 is a prime.

1490233 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1490213) 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, 745116 + 745117.

It is an arithmetic number, because the mean of its divisors is an integer number (745117).

2^1490233 is an apocalyptic number.

It is an amenable number.

1490233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490233 is an equidigital number, since it uses as much as digits as its factorization.

1490233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1490233 is about 1220.7509983613. The cubic root of 1490233 is about 114.2224291740. Note that the first 3 decimals are identical.

The spelling of 1490233 in words is "one million, four hundred ninety thousand, two hundred thirty-three".