1029285394 has 4 divisors (see below), whose sum is σ = 1543928094. Its totient is φ = 514642696.

The previous prime is 1029285377. The next prime is 1029285421. The reversal of 1029285394 is 4935829201.

1029285394 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 an emirpimes, since its reverse is a distinct semiprime: 4935829201 = 401 ⋅12308801.

It can be written as a sum of positive squares in only one way, i.e., 1005714369 + 23571025 = 31713^2 + 4855^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1029285394.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257321347 + ... + 257321350.

Almost surely, 2^1029285394 is an apocalyptic number.

1029285394 is a deficient number, since it is larger than the sum of its proper divisors (514642700).

1029285394 is an equidigital number, since it uses as much as digits as its factorization.

1029285394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514642699.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1029285394 is about 32082.4779903299. The cubic root of 1029285394 is about 1009.6680260466.

The spelling of 1029285394 in words is "one billion, twenty-nine million, two hundred eighty-five thousand, three hundred ninety-four".