1450399 has 2 divisors, whose sum is σ = 1450400. Its totient is φ = 1450398.

The previous prime is 1450391. The next prime is 1450429. The reversal of 1450399 is 9930541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1450399 - 2³ = 1450391 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1450399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725199 + 725200.

It is an arithmetic number, because the mean of its divisors is an integer number (725200).

2^1450399 is an apocalyptic number.

1450399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450399 is an equidigital number, since it uses as much as digits as its factorization.

1450399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1450399 is about 1204.3251222158. The cubic root of 1450399 is about 113.1955004517.

It can be divided in two parts, 1450 and 399, that added together give a square (1849 = 43²).

The spelling of 1450399 in words is "one million, four hundred fifty thousand, three hundred ninety-nine".