It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1078463 = 17 ⋅63439.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
Almost surely, 23648701 is an apocalyptic number.
It is an amenable number.
3648701 is an equidigital number, since it uses as much as digits as its factorization.
3648701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521250.
The square root of 3648701 is about 1910.1573233637. The cubic root of 3648701 is about 153.9499049971.
The spelling of 3648701 in words is "three million, six hundred forty-eight thousand, seven hundred one".