684950127 has 8 divisors (see below), whose sum is σ = 916662960. Its totient is φ = 454935360.

The previous prime is 684950093. The next prime is 684950131. The reversal of 684950127 is 721059486.

684950127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 684950127 - 2¹¹ = 684948079 is a prime.

It is a super-2 number, since 2×684950127² = 938313352954632258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684952127) 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, 423574 + ... + 425187.

It is an arithmetic number, because the mean of its divisors is an integer number (114582870).

Almost surely, 2^684950127 is an apocalyptic number.

684950127 is a deficient number, since it is larger than the sum of its proper divisors (231712833).

684950127 is a wasteful number, since it uses less digits than its factorization.

684950127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849033.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 684950127 is about 26171.5518645723. The cubic root of 684950127 is about 881.4945878308.

The spelling of 684950127 in words is "six hundred eighty-four million, nine hundred fifty thousand, one hundred twenty-seven".