1428504034 has 4 divisors (see below), whose sum is σ = 2142756054. Its totient is φ = 714252016.

The previous prime is 1428504019. The next prime is 1428504043. The reversal of 1428504034 is 4304058241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1198890625 + 229613409 = 34625^2 + 15153^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1428503987 and 1428504005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357126007 + ... + 357126010.

Almost surely, 2^1428504034 is an apocalyptic number.

1428504034 is a deficient number, since it is larger than the sum of its proper divisors (714252020).

1428504034 is an equidigital number, since it uses as much as digits as its factorization.

1428504034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714252019.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1428504034 is about 37795.5557440290. Note that the first 3 decimals coincide. The cubic root of 1428504034 is about 1126.2301694667.

The spelling of 1428504034 in words is "one billion, four hundred twenty-eight million, five hundred four thousand, thirty-four".