2327396981 has 8 divisors (see below), whose sum is σ = 2864488704. Its totient is φ = 1841456880.

The previous prime is 2327396923. The next prime is 2327396987. The reversal of 2327396981 is 1896937232.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2327396981 is a prime.

It is a super-2 number, since 2×2327396981² = 10833553414335828722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2327396987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12787805 + ... + 12787986.

It is an arithmetic number, because the mean of its divisors is an integer number (358061088).

Almost surely, 2^2327396981 is an apocalyptic number.

It is an amenable number.

2327396981 is a deficient number, since it is larger than the sum of its proper divisors (537091723).

2327396981 is a wasteful number, since it uses less digits than its factorization.

2327396981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25575811.

The product of its digits is 979776, while the sum is 50.

The square root of 2327396981 is about 48243.1029371039. The cubic root of 2327396981 is about 1325.2266337859.

The spelling of 2327396981 in words is "two billion, three hundred twenty-seven million, three hundred ninety-six thousand, nine hundred eighty-one".