1930854994 has 8 divisors (see below), whose sum is σ = 2922854220. Its totient is φ = 956570256.

The previous prime is 1930854973. The next prime is 1930854997. The reversal of 1930854994 is 4994580391.

It can be written as a sum of positive squares in 2 ways, for example, as 1897734969 + 33120025 = 43563^2 + 5755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1930854997) 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 3 ways as a sum of consecutive naturals, for example, 4428349 + ... + 4428784.

Almost surely, 2^1930854994 is an apocalyptic number.

1930854994 is a deficient number, since it is larger than the sum of its proper divisors (991999226).

1930854994 is a wasteful number, since it uses less digits than its factorization.

1930854994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8857244.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 1930854994 is about 43941.4951270436. The cubic root of 1930854994 is about 1245.2308930219.

The spelling of 1930854994 in words is "one billion, nine hundred thirty million, eight hundred fifty-four thousand, nine hundred ninety-four".