438508652 has 12 divisors (see below), whose sum is σ = 793852080. Its totient is φ = 211693776.

The previous prime is 438508643. The next prime is 438508661. The reversal of 438508652 is 256805834.

It is an interprime number because it is at equal distance from previous prime (438508643) and next prime (438508661).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890008 + ... + 1890239.

It is an arithmetic number, because the mean of its divisors is an integer number (66154340).

Almost surely, 2^438508652 is an apocalyptic number.

It is an amenable number.

438508652 is a deficient number, since it is larger than the sum of its proper divisors (355343428).

438508652 is a wasteful number, since it uses less digits than its factorization.

438508652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780280 (or 3780278 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 438508652 is about 20940.5981767475. The cubic root of 438508652 is about 759.7301973976.

The spelling of 438508652 in words is "four hundred thirty-eight million, five hundred eight thousand, six hundred fifty-two".