1438433814 has 16 divisors (see below), whose sum is σ = 2976070320. Its totient is φ = 462944160.

The previous prime is 1438433813. The next prime is 1438433827. The reversal of 1438433814 is 4183348341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438433813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133257 + ... + 4133604.

It is an arithmetic number, because the mean of its divisors is an integer number (186004395).

Almost surely, 2^1438433814 is an apocalyptic number.

1438433814 is an abundant number, since it is smaller than the sum of its proper divisors (1537636506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438433814 is a wasteful number, since it uses less digits than its factorization.

1438433814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266895.

The product of its digits is 110592, while the sum is 39.

The square root of 1438433814 is about 37926.6899953054. The cubic root of 1438433814 is about 1128.8336868499.

The spelling of 1438433814 in words is "one billion, four hundred thirty-eight million, four hundred thirty-three thousand, eight hundred fourteen".