190340320 has 24 divisors (see below), whose sum is σ = 449679384. Its totient is φ = 76136064.

The previous prime is 190340291. The next prime is 190340323. The reversal of 190340320 is 23043091.

It is a junction number, because it is equal to n+sod(n) for n = 190340291 and 190340300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190340323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594654 + ... + 594973.

It is an arithmetic number, because the mean of its divisors is an integer number (18736641).

Almost surely, 2^190340320 is an apocalyptic number.

190340320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190340320 is an abundant number, since it is smaller than the sum of its proper divisors (259339064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190340320 is a wasteful number, since it uses less digits than its factorization.

190340320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189642 (or 1189634 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 190340320 is about 13796.3879330787. The cubic root of 190340320 is about 575.2327425791.

The spelling of 190340320 in words is "one hundred ninety million, three hundred forty thousand, three hundred twenty".