1430238028 has 12 divisors (see below), whose sum is σ = 2504129320. Its totient is φ = 714772512.

The previous prime is 1430238013. The next prime is 1430238031. The reversal of 1430238028 is 8208320341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77226 + ... + 93937.

Almost surely, 2^1430238028 is an apocalyptic number.

It is an amenable number.

1430238028 is a deficient number, since it is larger than the sum of its proper divisors (1073891292).

1430238028 is a wasteful number, since it uses less digits than its factorization.

1430238028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173256 (or 173254 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1430238028 is about 37818.4879126599. The cubic root of 1430238028 is about 1126.6856778573.

Adding to 1430238028 its reverse (8208320341), we get a palindrome (9638558369).

The spelling of 1430238028 in words is "one billion, four hundred thirty million, two hundred thirty-eight thousand, twenty-eight".