1830371994 has 48 divisors (see below), whose sum is σ = 4329396864. Its totient is φ = 554265600.

The previous prime is 1830371969. The next prime is 1830372007. The reversal of 1830371994 is 4991730381.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406234 + ... + 410714.

It is an arithmetic number, because the mean of its divisors is an integer number (90195768).

Almost surely, 2^1830371994 is an apocalyptic number.

1830371994 is an abundant number, since it is smaller than the sum of its proper divisors (2499024870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1830371994 is a wasteful number, since it uses less digits than its factorization.

1830371994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563 (or 6560 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1830371994 is about 42782.8469599675. The cubic root of 1830371994 is about 1223.2440746094.

The spelling of 1830371994 in words is "one billion, eight hundred thirty million, three hundred seventy-one thousand, nine hundred ninety-four".