190345304 has 8 divisors (see below), whose sum is σ = 356897460. Its totient is φ = 95172648.

The previous prime is 190345303. The next prime is 190345333. The reversal of 190345304 is 403543091.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190345303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11896574 + ... + 11896589.

Almost surely, 2^190345304 is an apocalyptic number.

It is an amenable number.

190345304 is a deficient number, since it is larger than the sum of its proper divisors (166552156).

190345304 is a wasteful number, since it uses less digits than its factorization.

190345304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23793169 (or 23793165 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 190345304 is about 13796.5685588845. The cubic root of 190345304 is about 575.2377632967.

Adding to 190345304 its reverse (403543091), we get a palindrome (593888395).

The spelling of 190345304 in words is "one hundred ninety million, three hundred forty-five thousand, three hundred four".