190803494 has 8 divisors (see below), whose sum is σ = 327091728. Its totient is φ = 81772920.

The previous prime is 190803433. The next prime is 190803517. The reversal of 190803494 is 494308091.

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

It is a super-3 number, since 3×190803494³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814397 + ... + 6814424.

It is an arithmetic number, because the mean of its divisors is an integer number (40886466).

Almost surely, 2^190803494 is an apocalyptic number.

190803494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190803494 is a deficient number, since it is larger than the sum of its proper divisors (136288234).

190803494 is a wasteful number, since it uses less digits than its factorization.

190803494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628830.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 190803494 is about 13813.1637940046. The cubic root of 190803494 is about 575.6989549394.

The spelling of 190803494 in words is "one hundred ninety million, eight hundred three thousand, four hundred ninety-four".