1690104 has 32 divisors (see below), whose sum is σ = 4551120. Its totient is φ = 519936.

The previous prime is 1690103. The next prime is 1690121. The reversal of 1690104 is 4010961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397 + ... + 3020.

2^1690104 is an apocalyptic number.

It is an amenable number.

1690104 is an abundant number, since it is smaller than the sum of its proper divisors (2861016).

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

1690104 is a wasteful number, since it uses less digits than its factorization.

1690104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5435 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1690104 is about 1300.0399993846. The cubic root of 1690104 is about 119.1162858304.

The spelling of 1690104 in words is "one million, six hundred ninety thousand, one hundred four".