4144397 has 4 divisors (see below), whose sum is σ = 4154940. Its totient is φ = 4133856.

The previous prime is 4144373. The next prime is 4144409. The reversal of 4144397 is 7934414.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7934414 = 2 ⋅3967207.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 568516 = 1891^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144397 - 2¹⁴ = 4128013 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 (4144307) 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, 4658 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (1038735).

Almost surely, 2^4144397 is an apocalyptic number.

It is an amenable number.

4144397 is a deficient number, since it is larger than the sum of its proper divisors (10543).

4144397 is a wasteful number, since it uses less digits than its factorization.

4144397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10542.

The product of its digits is 12096, while the sum is 32.

The square root of 4144397 is about 2035.7792119972. The cubic root of 4144397 is about 160.6277034776.

The spelling of 4144397 in words is "four million, one hundred forty-four thousand, three hundred ninety-seven".