1438830908 has 6 divisors (see below), whose sum is σ = 2517954096. Its totient is φ = 719415452.

The previous prime is 1438830901. The next prime is 1438830919. The reversal of 1438830908 is 8090388341.

It is a super-2 number, since 2×1438830908² = 4140468763632208928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438830901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179853860 + ... + 179853867.

It is an arithmetic number, because the mean of its divisors is an integer number (419659016).

Almost surely, 2^1438830908 is an apocalyptic number.

It is an amenable number.

1438830908 is a deficient number, since it is larger than the sum of its proper divisors (1079123188).

1438830908 is a wasteful number, since it uses less digits than its factorization.

1438830908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359707731 (or 359707729 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1438830908 is about 37931.9246545703. The cubic root of 1438830908 is about 1128.9375525585.

The spelling of 1438830908 in words is "one billion, four hundred thirty-eight million, eight hundred thirty thousand, nine hundred eight".