1438383308 has 6 divisors (see below), whose sum is σ = 2517170796. Its totient is φ = 719191652.

The previous prime is 1438383307. The next prime is 1438383341. The reversal of 1438383308 is 8033838341.

It is not an unprimeable number, because it can be changed into a prime (1438383301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179797910 + ... + 179797917.

It is an arithmetic number, because the mean of its divisors is an integer number (419528466).

Almost surely, 2^1438383308 is an apocalyptic number.

It is an amenable number.

1438383308 is a deficient number, since it is larger than the sum of its proper divisors (1078787488).

1438383308 is a wasteful number, since it uses less digits than its factorization.

1438383308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359595831 (or 359595829 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 1438383308 is about 37926.0241522889. The cubic root of 1438383308 is about 1128.8204749011.

The spelling of 1438383308 in words is "one billion, four hundred thirty-eight million, three hundred eighty-three thousand, three hundred eight".