441231397 has 4 divisors (see below), whose sum is σ = 441667980. Its totient is φ = 440794816.

The previous prime is 441231377. The next prime is 441231409. The reversal of 441231397 is 793132144.

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 94303521 + 346927876 = 9711^2 + 18626^2 .

It is a cyclic number.

It is not a de Polignac number, because 441231397 - 2¹⁵ = 441198629 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 (441231367) 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, 216772 + ... + 218797.

It is an arithmetic number, because the mean of its divisors is an integer number (110416995).

Almost surely, 2^441231397 is an apocalyptic number.

It is an amenable number.

441231397 is a deficient number, since it is larger than the sum of its proper divisors (436583).

441231397 is a wasteful number, since it uses less digits than its factorization.

441231397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436582.

The product of its digits is 18144, while the sum is 34.

The square root of 441231397 is about 21005.5087298547. The cubic root of 441231397 is about 761.2993682769.

The spelling of 441231397 in words is "four hundred forty-one million, two hundred thirty-one thousand, three hundred ninety-seven".