1029994394 has 64 divisors (see below), whose sum is σ = 1889129088. Its totient is φ = 414892800.

The previous prime is 1029994387. The next prime is 1029994411. The reversal of 1029994394 is 4934999201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749492 + ... + 750864.

It is an arithmetic number, because the mean of its divisors is an integer number (29517642).

Almost surely, 2^1029994394 is an apocalyptic number.

1029994394 is a deficient number, since it is larger than the sum of its proper divisors (859134694).

1029994394 is a wasteful number, since it uses less digits than its factorization.

1029994394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 1029994394 is about 32093.5257333936. The cubic root of 1029994394 is about 1009.8998018432.

The spelling of 1029994394 in words is "one billion, twenty-nine million, nine hundred ninety-four thousand, three hundred ninety-four".