789938454 has 8 divisors (see below), whose sum is σ = 1579876920. Its totient is φ = 263312816.

The previous prime is 789938449. The next prime is 789938467. The reversal of 789938454 is 454839987.

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

789938454 is an admirable number.

It is a super-2 number, since 2×789938454² = 1248005522215820232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 789938394 and 789938403.

It is a congruent number.

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, 65828199 + ... + 65828210.

It is an arithmetic number, because the mean of its divisors is an integer number (197484615).

Almost surely, 2^789938454 is an apocalyptic number.

789938454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

789938454 is a wasteful number, since it uses less digits than its factorization.

789938454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131656414.

The product of its digits is 8709120, while the sum is 57.

The square root of 789938454 is about 28105.8437695793. The cubic root of 789938454 is about 924.4095395062.

The spelling of 789938454 in words is "seven hundred eighty-nine million, nine hundred thirty-eight thousand, four hundred fifty-four".