1690097996 has 6 divisors (see below), whose sum is σ = 2957671500. Its totient is φ = 845048996.

The previous prime is 1690097963. The next prime is 1690097999. The reversal of 1690097996 is 6997900961.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1690097999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211262246 + ... + 211262253.

It is an arithmetic number, because the mean of its divisors is an integer number (492945250).

Almost surely, 2^1690097996 is an apocalyptic number.

It is an amenable number.

1690097996 is a deficient number, since it is larger than the sum of its proper divisors (1267573504).

1690097996 is a wasteful number, since it uses less digits than its factorization.

1690097996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422524503 (or 422524501 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 1690097996 is about 41110.8014516866. The cubic root of 1690097996 is about 1191.1614477891.

The spelling of 1690097996 in words is "one billion, six hundred ninety million, ninety-seven thousand, nine hundred ninety-six".