1970200394 has 4 divisors (see below), whose sum is σ = 2955300594. Its totient is φ = 985100196.

The previous prime is 1970200391. The next prime is 1970200423. The reversal of 1970200394 is 4930020791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1804125625 + 166074769 = 42475^2 + 12887^2 .

It is not an unprimeable number, because it can be changed into a prime (1970200391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492550097 + ... + 492550100.

Almost surely, 2^1970200394 is an apocalyptic number.

1970200394 is a deficient number, since it is larger than the sum of its proper divisors (985100200).

1970200394 is an equidigital number, since it uses as much as digits as its factorization.

1970200394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985100199.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1970200394 is about 44386.9394529517. The cubic root of 1970200394 is about 1253.6321862756.

The spelling of 1970200394 in words is "one billion, nine hundred seventy million, two hundred thousand, three hundred ninety-four".