1029857853 has 8 divisors (see below), whose sum is σ = 1378487808. Its totient is φ = 683899904.

The previous prime is 1029857819. The next prime is 1029857861. The reversal of 1029857853 is 3587589201.

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 1029857853 - 2¹² = 1029853757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029857813) 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, 667101 + ... + 668642.

It is an arithmetic number, because the mean of its divisors is an integer number (172310976).

Almost surely, 2^1029857853 is an apocalyptic number.

It is an amenable number.

1029857853 is a deficient number, since it is larger than the sum of its proper divisors (348629955).

1029857853 is a wasteful number, since it uses less digits than its factorization.

1029857853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336003.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 1029857853 is about 32091.3984269929. The cubic root of 1029857853 is about 1009.8551741497.

The spelling of 1029857853 in words is "one billion, twenty-nine million, eight hundred fifty-seven thousand, eight hundred fifty-three".