1438252206 has 8 divisors (see below), whose sum is σ = 2876504424. Its totient is φ = 479417400.

The previous prime is 1438252159. The next prime is 1438252213. The reversal of 1438252206 is 6022528341.

It is a sphenic number, since it is the product of 3 distinct primes.

1438252206 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119854345 + ... + 119854356.

It is an arithmetic number, because the mean of its divisors is an integer number (359563053).

Almost surely, 2^1438252206 is an apocalyptic number.

1438252206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1438252206 is a wasteful number, since it uses less digits than its factorization.

1438252206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239708706.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1438252206 is about 37924.2957218720. The cubic root of 1438252206 is about 1128.7861782669.

The spelling of 1438252206 in words is "one billion, four hundred thirty-eight million, two hundred fifty-two thousand, two hundred six".