438920682 has 32 divisors (see below), whose sum is σ = 890822400. Its totient is φ = 144151488.

The previous prime is 438920641. The next prime is 438920689. The reversal of 438920682 is 286029834.

It is not an unprimeable number, because it can be changed into a prime (438920689) 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, 392388 + ... + 393504.

It is an arithmetic number, because the mean of its divisors is an integer number (27838200).

Almost surely, 2^438920682 is an apocalyptic number.

438920682 is an abundant number, since it is smaller than the sum of its proper divisors (451901718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438920682 is a wasteful number, since it uses less digits than its factorization.

438920682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 438920682 is about 20950.4339334535. The cubic root of 438920682 is about 759.9680746054.

The spelling of 438920682 in words is "four hundred thirty-eight million, nine hundred twenty thousand, six hundred eighty-two".