3648493 has 2 divisors, whose sum is σ = 3648494. Its totient is φ = 3648492.

The previous prime is 3648487. The next prime is 3648511. The reversal of 3648493 is 3948463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2896804 + 751689 = 1702^2 + 867^2 .

It is an emirp because it is prime and its reverse (3948463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3648493 - 2¹⁷ = 3517421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824246 + 1824247.

It is an arithmetic number, because the mean of its divisors is an integer number (1824247).

Almost surely, 2^3648493 is an apocalyptic number.

It is an amenable number.

3648493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648493 is an equidigital number, since it uses as much as digits as its factorization.

3648493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 3648493 is about 1910.1028768106. The cubic root of 3648493 is about 153.9469795551.

The spelling of 3648493 in words is "three million, six hundred forty-eight thousand, four hundred ninety-three".