854623929 has 4 divisors (see below), whose sum is σ = 1139498576. Its totient is φ = 569749284.

The previous prime is 854623877. The next prime is 854623937. The reversal of 854623929 is 929326458.

It is a happy number.

854623929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 854623929 - 2⁷ = 854623801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854623999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142437319 + ... + 142437324.

It is an arithmetic number, because the mean of its divisors is an integer number (284874644).

Almost surely, 2^854623929 is an apocalyptic number.

It is an amenable number.

854623929 is a deficient number, since it is larger than the sum of its proper divisors (284874647).

854623929 is a wasteful number, since it uses less digits than its factorization.

854623929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284874646.

The product of its digits is 933120, while the sum is 48.

The square root of 854623929 is about 29233.9516487252. The cubic root of 854623929 is about 948.9828185695.

The spelling of 854623929 in words is "eight hundred fifty-four million, six hundred twenty-three thousand, nine hundred twenty-nine".