4000340983 has 4 divisors (see below), whose sum is σ = 4000594240. Its totient is φ = 4000087728.

The previous prime is 4000340969. The next prime is 4000340989. The reversal of 4000340983 is 3890430004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4000340983 - 2¹⁷ = 4000209911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000340989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101238 + ... + 135091.

It is an arithmetic number, because the mean of its divisors is an integer number (1000148560).

Almost surely, 2^4000340983 is an apocalyptic number.

4000340983 is a deficient number, since it is larger than the sum of its proper divisors (253257).

4000340983 is a wasteful number, since it uses less digits than its factorization.

4000340983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253256.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 4000340983 is about 63248.2488532291. The cubic root of 4000340983 is about 1587.4461570843.

Adding to 4000340983 its reverse (3890430004), we get a palindrome (7890770987).

The spelling of 4000340983 in words is "four billion, three hundred forty thousand, nine hundred eighty-three".