190497694 has 8 divisors (see below), whose sum is σ = 295599960. Its totient is φ = 91964376.

The previous prime is 190497691. The next prime is 190497701. The reversal of 190497694 is 496794091.

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 (190497691) 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, 1642164 + ... + 1642279.

It is an arithmetic number, because the mean of its divisors is an integer number (36949995).

Almost surely, 2^190497694 is an apocalyptic number.

190497694 is a deficient number, since it is larger than the sum of its proper divisors (105102266).

190497694 is a wasteful number, since it uses less digits than its factorization.

190497694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284474.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 190497694 is about 13802.0902040234. The cubic root of 190497694 is about 575.3912336787.

It can be divided in two parts, 190497 and 694, that added together give a palindrome (191191).

The spelling of 190497694 in words is "one hundred ninety million, four hundred ninety-seven thousand, six hundred ninety-four".