1003429978 has 16 divisors (see below), whose sum is σ = 1544094720. Its totient is φ = 488828016.

The previous prime is 1003429937. The next prime is 1003429991. The reversal of 1003429978 is 8799243001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973 + ... + 44896.

It is an arithmetic number, because the mean of its divisors is an integer number (96505920).

Almost surely, 2^1003429978 is an apocalyptic number.

1003429978 is a deficient number, since it is larger than the sum of its proper divisors (540664742).

1003429978 is a wasteful number, since it uses less digits than its factorization.

1003429978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48141.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1003429978 is about 31676.9628910349. The cubic root of 1003429978 is about 1001.1420212909.

The spelling of 1003429978 in words is "one billion, three million, four hundred twenty-nine thousand, nine hundred seventy-eight".