1906769994 has 8 divisors (see below), whose sum is σ = 3813540000. Its totient is φ = 635589996.

The previous prime is 1906769987. The next prime is 1906770049. The reversal of 1906769994 is 4999676091.

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

1906769994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158897494 + ... + 158897505.

It is an arithmetic number, because the mean of its divisors is an integer number (476692500).

Almost surely, 2^1906769994 is an apocalyptic number.

1906769994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1906769994 is a wasteful number, since it uses less digits than its factorization.

1906769994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317795004.

The product of its (nonzero) digits is 6613488, while the sum is 60.

The square root of 1906769994 is about 43666.5775393492. The cubic root of 1906769994 is about 1240.0316489494.

The spelling of 1906769994 in words is "one billion, nine hundred six million, seven hundred sixty-nine thousand, nine hundred ninety-four".