1438390483 has 4 divisors (see below), whose sum is σ = 1484790208. Its totient is φ = 1391990760.

The previous prime is 1438390427. The next prime is 1438390501. The reversal of 1438390483 is 3840938341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1438390483 - 2¹⁷ = 1438259411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1438390183) 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, 23199816 + ... + 23199877.

It is an arithmetic number, because the mean of its divisors is an integer number (371197552).

Almost surely, 2^1438390483 is an apocalyptic number.

1438390483 is a deficient number, since it is larger than the sum of its proper divisors (46399725).

1438390483 is an equidigital number, since it uses as much as digits as its factorization.

1438390483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46399724.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1438390483 is about 37926.1187442111. The cubic root of 1438390483 is about 1128.8223518402.

The spelling of 1438390483 in words is "one billion, four hundred thirty-eight million, three hundred ninety thousand, four hundred eighty-three".