1449438939 has 24 divisors (see below), whose sum is σ = 2288347152. Its totient is φ = 878644800.

The previous prime is 1449438931. The next prime is 1449438941. The reversal of 1449438939 is 9398349441.

1449438939 is a `hidden beast` number, since 144 + 94 + 389 + 39 = 666.

It is not a de Polignac number, because 1449438939 - 2³ = 1449438931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1449438931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84612 + ... + 100289.

It is an arithmetic number, because the mean of its divisors is an integer number (95347798).

Almost surely, 2^1449438939 is an apocalyptic number.

1449438939 is a deficient number, since it is larger than the sum of its proper divisors (838908213).

1449438939 is a wasteful number, since it uses less digits than its factorization.

1449438939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184987 (or 184984 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 1449438939 is about 38071.4977246759. The cubic root of 1449438939 is about 1131.7051914829.

The spelling of 1449438939 in words is "one billion, four hundred forty-nine million, four hundred thirty-eight thousand, nine hundred thirty-nine".