3597421 has 8 divisors (see below), whose sum is σ = 3940920. Its totient is φ = 3268608.

The previous prime is 3597413. The next prime is 3597437. The reversal of 3597421 is 1247953.

It can be written as a sum of positive squares in 4 ways, for example, as 741321 + 2856100 = 861^2 + 1690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3597421 - 2³ = 3597413 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3597401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3156 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (492615).

Almost surely, 2^3597421 is an apocalyptic number.

It is an amenable number.

3597421 is a deficient number, since it is larger than the sum of its proper divisors (343499).

3597421 is a wasteful number, since it uses less digits than its factorization.

3597421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343.

The product of its digits is 7560, while the sum is 31.

The square root of 3597421 is about 1896.6868481645. The cubic root of 3597421 is about 153.2252793648.

The spelling of 3597421 in words is "three million, five hundred ninety-seven thousand, four hundred twenty-one".