1690116 has 24 divisors (see below), whose sum is σ = 3978240. Its totient is φ = 558432.

The previous prime is 1690103. The next prime is 1690121. The reversal of 1690116 is 6110961.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970 + ... + 2078.

It is an arithmetic number, because the mean of its divisors is an integer number (165760).

2^1690116 is an apocalyptic number.

It is an amenable number.

1690116 is an abundant number, since it is smaller than the sum of its proper divisors (2288124).

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

1690116 is a wasteful number, since it uses less digits than its factorization.

1690116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1690116 is about 1300.0446146191. The cubic root of 1690116 is about 119.1165677444.

The spelling of 1690116 in words is "one million, six hundred ninety thousand, one hundred sixteen".