4387601 has 4 divisors (see below), whose sum is σ = 4432932. Its totient is φ = 4342272.

The previous prime is 4387567. The next prime is 4387609. The reversal of 4387601 is 1067834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3385600 + 1002001 = 1840^2 + 1001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4387601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4387609) 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, 22520 + ... + 22713.

It is an arithmetic number, because the mean of its divisors is an integer number (1108233).

Almost surely, 2^4387601 is an apocalyptic number.

It is an amenable number.

4387601 is a deficient number, since it is larger than the sum of its proper divisors (45331).

4387601 is an equidigital number, since it uses as much as digits as its factorization.

4387601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45330.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 4387601 is about 2094.6601156274. The cubic root of 4387601 is about 163.7101886396.

The spelling of 4387601 in words is "four million, three hundred eighty-seven thousand, six hundred one".