1498621 has 2 divisors, whose sum is σ = 1498622. Its totient is φ = 1498620.

The previous prime is 1498619. The next prime is 1498649. The reversal of 1498621 is 1268941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1179396 + 319225 = 1086^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1498621 - 2¹ = 1498619 is a prime.

Together with 1498619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1498661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749310 + 749311.

It is an arithmetic number, because the mean of its divisors is an integer number (749311).

2^1498621 is an apocalyptic number.

It is an amenable number.

1498621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1498621 is an equidigital number, since it uses as much as digits as its factorization.

1498621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 1498621 is about 1224.1817675492. The cubic root of 1498621 is about 114.4363343680.

The spelling of 1498621 in words is "one million, four hundred ninety-eight thousand, six hundred twenty-one".