1326386285 has 32 divisors (see below), whose sum is σ = 1871880192. Its totient is φ = 883307520.

The previous prime is 1326386261. The next prime is 1326386293. The reversal of 1326386285 is 5826836231.

It is not a de Polignac number, because 1326386285 - 2¹⁴ = 1326369901 is a prime.

It is a super-2 number, since 2×1326386285² = 3518601154072202450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332372 + ... + 336338.

It is an arithmetic number, because the mean of its divisors is an integer number (58496256).

Almost surely, 2^1326386285 is an apocalyptic number.

It is an amenable number.

1326386285 is a deficient number, since it is larger than the sum of its proper divisors (545493907).

1326386285 is a wasteful number, since it uses less digits than its factorization.

1326386285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253.

The product of its digits is 414720, while the sum is 44.

The square root of 1326386285 is about 36419.5865572359. The cubic root of 1326386285 is about 1098.7275327244.

The spelling of 1326386285 in words is "one billion, three hundred twenty-six million, three hundred eighty-six thousand, two hundred eighty-five".