438765946 has 8 divisors (see below), whose sum is σ = 661456800. Its totient is φ = 218280348.

The previous prime is 438765923. The next prime is 438765967. The reversal of 438765946 is 649567834.

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

It is a junction number, because it is equal to n+sod(n) for n = 438765893 and 438765902.

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, 550816 + ... + 551611.

It is an arithmetic number, because the mean of its divisors is an integer number (82682100).

Almost surely, 2^438765946 is an apocalyptic number.

438765946 is a deficient number, since it is larger than the sum of its proper divisors (222690854).

438765946 is a wasteful number, since it uses less digits than its factorization.

438765946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102628.

The product of its digits is 4354560, while the sum is 52.

The square root of 438765946 is about 20946.7407011210. The cubic root of 438765946 is about 759.8787583604.

The spelling of 438765946 in words is "four hundred thirty-eight million, seven hundred sixty-five thousand, nine hundred forty-six".