1438229286 has 48 divisors (see below), whose sum is σ = 3398391360. Its totient is φ = 436924800.

The previous prime is 1438229267. The next prime is 1438229293. The reversal of 1438229286 is 6829228341.

1438229286 is a `hidden beast` number, since 143 + 8 + 229 + 286 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20415 + ... + 57386.

It is an arithmetic number, because the mean of its divisors is an integer number (70799820).

Almost surely, 2^1438229286 is an apocalyptic number.

1438229286 is an abundant number, since it is smaller than the sum of its proper divisors (1960162074).

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

1438229286 is a wasteful number, since it uses less digits than its factorization.

1438229286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77901 (or 77898 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1438229286 is about 37923.9935397105. The cubic root of 1438229286 is about 1128.7801821195.

The spelling of 1438229286 in words is "one billion, four hundred thirty-eight million, two hundred twenty-nine thousand, two hundred eighty-six".