1204444397 has 4 divisors (see below), whose sum is σ = 1297093980. Its totient is φ = 1111794816.

The previous prime is 1204444393. The next prime is 1204444421. The reversal of 1204444397 is 7934444021.

It is a happy number.

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 371487076 + 832957321 = 19274^2 + 28861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204444397 - 2² = 1204444393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1204444397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204444393) 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, 46324772 + ... + 46324797.

It is an arithmetic number, because the mean of its divisors is an integer number (324273495).

Almost surely, 2^1204444397 is an apocalyptic number.

It is an amenable number.

1204444397 is a deficient number, since it is larger than the sum of its proper divisors (92649583).

1204444397 is an equidigital number, since it uses as much as digits as its factorization.

1204444397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92649582.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 1204444397 is about 34705.1062093174. The cubic root of 1204444397 is about 1063.9688630367.

The spelling of 1204444397 in words is "one billion, two hundred four million, four hundred forty-four thousand, three hundred ninety-seven".