60440399 has 2 divisors, whose sum is σ = 60440400. Its totient is φ = 60440398.

The previous prime is 60440371. The next prime is 60440407. The reversal of 60440399 is 99304406.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60440399 - 2⁸ = 60440143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60440329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30220199 + 30220200.

It is an arithmetic number, because the mean of its divisors is an integer number (30220200).

Almost surely, 2^60440399 is an apocalyptic number.

60440399 is a deficient number, since it is larger than the sum of its proper divisors (1).

60440399 is an equidigital number, since it uses as much as digits as its factorization.

60440399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 60440399 is about 7774.3423516076. The cubic root of 60440399 is about 392.4422655692.

The spelling of 60440399 in words is "sixty million, four hundred forty thousand, three hundred ninety-nine".