438486982 has 8 divisors (see below), whose sum is σ = 657842976. Its totient is φ = 219205992.

The previous prime is 438486977. The next prime is 438486991. The reversal of 438486982 is 289684834.

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

It is a congruent number.

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, 633 + ... + 29620.

It is an arithmetic number, because the mean of its divisors is an integer number (82230372).

Almost surely, 2^438486982 is an apocalyptic number.

438486982 is a deficient number, since it is larger than the sum of its proper divisors (219355994).

438486982 is a wasteful number, since it uses less digits than its factorization.

438486982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37502.

The product of its digits is 2654208, while the sum is 52.

The square root of 438486982 is about 20940.0807543811. The cubic root of 438486982 is about 759.7176825365.

The spelling of 438486982 in words is "four hundred thirty-eight million, four hundred eighty-six thousand, nine hundred eighty-two".