190793378 has 16 divisors (see below), whose sum is σ = 298330560. Its totient is φ = 91400400.

The previous prime is 190793371. The next prime is 190793399. The reversal of 190793378 is 873397091.

It is a super-2 number, since 2×190793378² = 72804226177301768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190793371) 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, 4958 + ... + 20153.

It is an arithmetic number, because the mean of its divisors is an integer number (18645660).

Almost surely, 2^190793378 is an apocalyptic number.

190793378 is a deficient number, since it is larger than the sum of its proper divisors (107537182).

190793378 is a wasteful number, since it uses less digits than its factorization.

190793378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25273.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 190793378 is about 13812.7976167031. The cubic root of 190793378 is about 575.6887806436.

The spelling of 190793378 in words is "one hundred ninety million, seven hundred ninety-three thousand, three hundred seventy-eight".