1920650234 has 8 divisors (see below), whose sum is σ = 2881161300. Its totient is φ = 960263136.

The previous prime is 1920650233. The next prime is 1920650257. The reversal of 1920650234 is 4320560291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1914325009 + 6325225 = 43753^2 + 2515^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1920650234.

It is not an unprimeable number, because it can be changed into a prime (1920650231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45632 + ... + 76964.

Almost surely, 2^1920650234 is an apocalyptic number.

1920650234 is a deficient number, since it is larger than the sum of its proper divisors (960511066).

1920650234 is a wasteful number, since it uses less digits than its factorization.

1920650234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61984.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1920650234 is about 43825.2237187673. The cubic root of 1920650234 is about 1243.0332940609.

The spelling of 1920650234 in words is "one billion, nine hundred twenty million, six hundred fifty thousand, two hundred thirty-four".