190690694 has 8 divisors (see below), whose sum is σ = 286624848. Its totient is φ = 95149080.

The previous prime is 190690693. The next prime is 190690699. The reversal of 190690694 is 496096091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190690693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96917 + ... + 98864.

It is an arithmetic number, because the mean of its divisors is an integer number (35828106).

Almost surely, 2^190690694 is an apocalyptic number.

190690694 is a deficient number, since it is larger than the sum of its proper divisors (95934154).

190690694 is a wasteful number, since it uses less digits than its factorization.

190690694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196270.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 190690694 is about 13809.0801286690. The cubic root of 190690694 is about 575.5854845448.

The spelling of 190690694 in words is "one hundred ninety million, six hundred ninety thousand, six hundred ninety-four".