4358661 has 16 divisors (see below), whose sum is σ = 6115200. Its totient is φ = 2756160.

The previous prime is 4358659. The next prime is 4358687. The reversal of 4358661 is 1668534.

It is not a de Polignac number, because 4358661 - 2¹ = 4358659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4358621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12315 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 2^4358661 is an apocalyptic number.

It is an amenable number.

4358661 is a deficient number, since it is larger than the sum of its proper divisors (1756539).

4358661 is a wasteful number, since it uses less digits than its factorization.

4358661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its digits is 17280, while the sum is 33.

The square root of 4358661 is about 2087.7406448120. The cubic root of 4358661 is about 163.3494578926.

Subtracting from 4358661 its sum of digits (33), we obtain a triangular number (4358628 = T₂₉₅₂).

The spelling of 4358661 in words is "four million, three hundred fifty-eight thousand, six hundred sixty-one".