1286452338 has 8 divisors (see below), whose sum is σ = 2572904688. Its totient is φ = 428817444.

The previous prime is 1286452313. The next prime is 1286452379. The reversal of 1286452338 is 8332546821.

1286452338 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1286452338 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1286452338.

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, 107204356 + ... + 107204367.

It is an arithmetic number, because the mean of its divisors is an integer number (321613086).

Almost surely, 2^1286452338 is an apocalyptic number.

1286452338 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.

1286452338 is a wasteful number, since it uses less digits than its factorization.

1286452338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214408728.

The product of its digits is 276480, while the sum is 42.

The square root of 1286452338 is about 35867.1484509154. The cubic root of 1286452338 is about 1087.5884000541.

The spelling of 1286452338 in words is "one billion, two hundred eighty-six million, four hundred fifty-two thousand, three hundred thirty-eight".