190685704 has 64 divisors (see below), whose sum is σ = 400075200. Its totient is φ = 84480000.

The previous prime is 190685689. The next prime is 190685717. The reversal of 190685704 is 407586091.

It is a super-2 number, since 2×190685704² = 72722075419951232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759579 + ... + 759829.

It is an arithmetic number, because the mean of its divisors is an integer number (6251175).

Almost surely, 2^190685704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190685704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200037600).

190685704 is an abundant number, since it is smaller than the sum of its proper divisors (209389496).

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

190685704 is a wasteful number, since it uses less digits than its factorization.

190685704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 190685704 is about 13808.8994492682. The cubic root of 190685704 is about 575.5804638547.

The spelling of 190685704 in words is "one hundred ninety million, six hundred eighty-five thousand, seven hundred four".