1438284834 has 24 divisors (see below), whose sum is σ = 3561467520. Its totient is φ = 410938488.

The previous prime is 1438284821. The next prime is 1438284851. The reversal of 1438284834 is 4384828341.

It is a happy number.

1438284834 is a `hidden beast` number, since 143 + 8 + 28 + 483 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1438284834.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5707354 + ... + 5707605.

It is an arithmetic number, because the mean of its divisors is an integer number (148394480).

Almost surely, 2^1438284834 is an apocalyptic number.

1438284834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1438284834 is an abundant number, since it is smaller than the sum of its proper divisors (2123182686).

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

1438284834 is a wasteful number, since it uses less digits than its factorization.

1438284834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414974 (or 11414971 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 1438284834 is about 37924.7258922197. The cubic root of 1438284834 is about 1128.7947140339.

The spelling of 1438284834 in words is "one billion, four hundred thirty-eight million, two hundred eighty-four thousand, eight hundred thirty-four".