438486983 has 16 divisors (see below), whose sum is σ = 491795712. Its totient is φ = 387576000.

The previous prime is 438486977. The next prime is 438486991. The reversal of 438486983 is 389684834.

It is a cyclic number.

It is not a de Polignac number, because 438486983 - 2¹⁰ = 438485959 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 (438086983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53168 + ... + 60858.

It is an arithmetic number, because the mean of its divisors is an integer number (30737232).

Almost surely, 2^438486983 is an apocalyptic number.

438486983 is a deficient number, since it is larger than the sum of its proper divisors (53308729).

438486983 is a wasteful number, since it uses less digits than its factorization.

438486983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846.

The product of its digits is 3981312, while the sum is 53.

The square root of 438486983 is about 20940.0807782587. The cubic root of 438486983 is about 759.7176831141.

The spelling of 438486983 in words is "four hundred thirty-eight million, four hundred eighty-six thousand, nine hundred eighty-three".