438765947 has 8 divisors (see below), whose sum is σ = 442374912. Its totient is φ = 435169000.

The previous prime is 438765923. The next prime is 438765967. The reversal of 438765947 is 749567834.

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 438765947 - 2⁶ = 438765883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438765907) 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, 79322 + ... + 84672.

It is an arithmetic number, because the mean of its divisors is an integer number (55296864).

Almost surely, 2^438765947 is an apocalyptic number.

438765947 is a deficient number, since it is larger than the sum of its proper divisors (3608965).

438765947 is a wasteful number, since it uses less digits than its factorization.

438765947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009.

The product of its digits is 5080320, while the sum is 53.

The square root of 438765947 is about 20946.7407249911. The cubic root of 438765947 is about 759.8787589377.

The spelling of 438765947 in words is "four hundred thirty-eight million, seven hundred sixty-five thousand, nine hundred forty-seven".