3601397 has 4 divisors (see below), whose sum is σ = 3605580. Its totient is φ = 3597216.

The previous prime is 3601369. The next prime is 3601421. The reversal of 3601397 is 7931063.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7931063 = 7 ⋅1133009.

It can be written as a sum of positive squares in 2 ways, for example, as 70756 + 3530641 = 266^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601397 - 2⁸ = 3601141 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 (3601327) 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, 272 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (901395).

Almost surely, 2^3601397 is an apocalyptic number.

It is an amenable number.

3601397 is a deficient number, since it is larger than the sum of its proper divisors (4183).

3601397 is a wasteful number, since it uses less digits than its factorization.

3601397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3601397 is about 1897.7347022174. The cubic root of 3601397 is about 153.2817086237.

The spelling of 3601397 in words is "three million, six hundred one thousand, three hundred ninety-seven".