1490843 has 2 divisors, whose sum is σ = 1490844. Its totient is φ = 1490842.

The previous prime is 1490833. The next prime is 1490869. The reversal of 1490843 is 3480941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1490843 - 2¹⁰ = 1489819 is a prime.

It is a super-2 number, since 2×1490843² = 4445225701298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1490813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745421 + 745422.

It is an arithmetic number, because the mean of its divisors is an integer number (745422).

2^1490843 is an apocalyptic number.

1490843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490843 is an equidigital number, since it uses as much as digits as its factorization.

1490843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1490843 is about 1221.0008190005. Note that the first 3 decimals coincide. The cubic root of 1490843 is about 114.2380120117.

The spelling of 1490843 in words is "one million, four hundred ninety thousand, eight hundred forty-three".