1029494738 has 16 divisors (see below), whose sum is σ = 1638879480. Its totient is φ = 483342336.

The previous prime is 1029494701. The next prime is 1029494759. The reversal of 1029494738 is 8374949201.

It can be written as a sum of positive squares in 4 ways, for example, as 512705449 + 516789289 = 22643^2 + 22733^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1029494692 and 1029494701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20243 + ... + 49686.

Almost surely, 2^1029494738 is an apocalyptic number.

1029494738 is a deficient number, since it is larger than the sum of its proper divisors (609384742).

1029494738 is a wasteful number, since it uses less digits than its factorization.

1029494738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70381.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1029494738 is about 32085.7404153309. The cubic root of 1029494738 is about 1009.7364727625.

The spelling of 1029494738 in words is "one billion, twenty-nine million, four hundred ninety-four thousand, seven hundred thirty-eight".