4246621 has 4 divisors (see below), whose sum is σ = 4251292. Its totient is φ = 4241952.

The previous prime is 4246609. The next prime is 4246679. The reversal of 4246621 is 1266424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2325625 + 1920996 = 1525^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 4246621 - 2¹⁷ = 4115549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4246681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (1062823).

Almost surely, 2^4246621 is an apocalyptic number.

It is an amenable number.

4246621 is a deficient number, since it is larger than the sum of its proper divisors (4671).

4246621 is a wasteful number, since it uses less digits than its factorization.

4246621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670.

The product of its digits is 2304, while the sum is 25.

The square root of 4246621 is about 2060.7331219738. The cubic root of 4246621 is about 161.9376506496.

The spelling of 4246621 in words is "four million, two hundred forty-six thousand, six hundred twenty-one".