1490633 has 2 divisors, whose sum is σ = 1490634. Its totient is φ = 1490632.

The previous prime is 1490627. The next prime is 1490639. The reversal of 1490633 is 3360941.

It is a balanced prime because it is at equal distance from previous prime (1490627) and next prime (1490639).

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 466489 = 1012^2 + 683^2 .

It is an emirp because it is prime and its reverse (3360941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1490633 - 2¹⁶ = 1425097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1490639) 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, 745316 + 745317.

It is an arithmetic number, because the mean of its divisors is an integer number (745317).

2^1490633 is an apocalyptic number.

It is an amenable number.

1490633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490633 is an equidigital number, since it uses as much as digits as its factorization.

1490633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1490633 is about 1220.9148209437. The cubic root of 1490633 is about 114.2326479081.

The spelling of 1490633 in words is "one million, four hundred ninety thousand, six hundred thirty-three".