1930846243 has 6 divisors (see below), whose sum is σ = 1976044532. Its totient is φ = 1885661400.

The previous prime is 1930846231. The next prime is 1930846271. The reversal of 1930846243 is 3426480391.

It is a happy number.

It is not a de Polignac number, because 1930846243 - 2²⁵ = 1897291811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1930846196 and 1930846205.

It is not an unprimeable number, because it can be changed into a prime (1930846273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284793 + ... + 291493.

Almost surely, 2^1930846243 is an apocalyptic number.

1930846243 is a deficient number, since it is larger than the sum of its proper divisors (45198289).

1930846243 is an frugal number, since it uses more digits than its factorization.

1930846243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13445 (or 6744 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 1930846243 is about 43941.3955513477. The cubic root of 1930846243 is about 1245.2290118118.

The spelling of 1930846243 in words is "one billion, nine hundred thirty million, eight hundred forty-six thousand, two hundred forty-three".