3600401 has 4 divisors (see below), whose sum is σ = 4114752. Its totient is φ = 3086052.

The previous prime is 3600383. The next prime is 3600407. The reversal of 3600401 is 1040063.

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: 1040063 = 47 ⋅22129.

It is a cyclic number.

It is not a de Polignac number, because 3600401 - 2¹⁴ = 3584017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3600407) 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, 257165 + ... + 257178.

It is an arithmetic number, because the mean of its divisors is an integer number (1028688).

Almost surely, 2^3600401 is an apocalyptic number.

It is an amenable number.

3600401 is a deficient number, since it is larger than the sum of its proper divisors (514351).

3600401 is an equidigital number, since it uses as much as digits as its factorization.

3600401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514350.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3600401 is about 1897.4722659370. The cubic root of 3600401 is about 153.2675768245.

Adding to 3600401 its reverse (1040063), we get a palindrome (4640464).

The spelling of 3600401 in words is "three million, six hundred thousand, four hundred one".