438985949 has 8 divisors (see below), whose sum is σ = 443445888. Its totient is φ = 434544480.

The previous prime is 438985933. The next prime is 438985961. The reversal of 438985949 is 949589834.

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

It is a cyclic number.

It is not a de Polignac number, because 438985949 - 2⁴ = 438985933 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 (438985979) 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, 45914 + ... + 54644.

It is an arithmetic number, because the mean of its divisors is an integer number (55430736).

Almost surely, 2^438985949 is an apocalyptic number.

It is an amenable number.

438985949 is a deficient number, since it is larger than the sum of its proper divisors (4459939).

438985949 is a wasteful number, since it uses less digits than its factorization.

438985949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235.

The product of its digits is 11197440, while the sum is 59.

The square root of 438985949 is about 20951.9915282533. The cubic root of 438985949 is about 760.0057415310.

It can be divided in two parts, 438985 and 949, that added together give a palindrome (439934).

The spelling of 438985949 in words is "four hundred thirty-eight million, nine hundred eighty-five thousand, nine hundred forty-nine".