1430680238 has 16 divisors (see below), whose sum is σ = 2318543136. Its totient is φ = 658187040.

The previous prime is 1430680211. The next prime is 1430680289. The reversal of 1430680238 is 8320860341.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1430680198 and 1430680207.

It is a congruent number.

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, 80381 + ... + 96552.

It is an arithmetic number, because the mean of its divisors is an integer number (144908946).

Almost surely, 2^1430680238 is an apocalyptic number.

1430680238 is a deficient number, since it is larger than the sum of its proper divisors (887862898).

1430680238 is a wasteful number, since it uses less digits than its factorization.

1430680238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177259.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1430680238 is about 37824.3339399387. Note that the first 3 decimals coincide. The cubic root of 1430680238 is about 1126.8017844829.

The spelling of 1430680238 in words is "one billion, four hundred thirty million, six hundred eighty thousand, two hundred thirty-eight".