1498993 has 2 divisors, whose sum is σ = 1498994. Its totient is φ = 1498992.

The previous prime is 1498969. The next prime is 1498997. The reversal of 1498993 is 3998941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 400689 = 1048^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1498993 - 2⁵ = 1498961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1498997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749496 + 749497.

It is an arithmetic number, because the mean of its divisors is an integer number (749497).

2^1498993 is an apocalyptic number.

It is an amenable number.

1498993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1498993 is an equidigital number, since it uses as much as digits as its factorization.

1498993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 1498993 is about 1224.3336963426. Note that the first 3 decimals coincide. The cubic root of 1498993 is about 114.4458023599.

The spelling of 1498993 in words is "one million, four hundred ninety-eight thousand, nine hundred ninety-three".