1690484676 has 12 divisors (see below), whose sum is σ = 3944464272. Its totient is φ = 563494888.

The previous prime is 1690484651. The next prime is 1690484707. The reversal of 1690484676 is 6764840961.

It is a tau number, because it is divible by the number of its divisors (12).

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, 70436850 + ... + 70436873.

It is an arithmetic number, because the mean of its divisors is an integer number (328705356).

Almost surely, 2^1690484676 is an apocalyptic number.

It is an amenable number.

1690484676 is an abundant number, since it is smaller than the sum of its proper divisors (2253979596).

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

1690484676 is a wasteful number, since it uses less digits than its factorization.

1690484676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140873730 (or 140873728 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 1690484676 is about 41115.5040830099. The cubic root of 1690484676 is about 1191.2522833871.

The spelling of 1690484676 in words is "one billion, six hundred ninety million, four hundred eighty-four thousand, six hundred seventy-six".