1439392996 has 6 divisors (see below), whose sum is σ = 2518937750. Its totient is φ = 719696496.

The previous prime is 1439392987. The next prime is 1439393057. The reversal of 1439392996 is 6992939341.

It can be written as a sum of positive squares in only one way, i.e., 1282642596 + 156750400 = 35814^2 + 12520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179924121 + ... + 179924128.

Almost surely, 2^1439392996 is an apocalyptic number.

It is an amenable number.

1439392996 is a deficient number, since it is larger than the sum of its proper divisors (1079544754).

1439392996 is a wasteful number, since it uses less digits than its factorization.

1439392996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359848253 (or 359848251 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 55.

The square root of 1439392996 is about 37939.3330990412. Note that the first 3 decimals coincide. The cubic root of 1439392996 is about 1129.0845421812.

The spelling of 1439392996 in words is "one billion, four hundred thirty-nine million, three hundred ninety-two thousand, nine hundred ninety-six".