190829450 has 48 divisors (see below), whose sum is σ = 410598720. Its totient is φ = 64629120.

The previous prime is 190829449. The next prime is 190829473. The reversal of 190829450 is 54928091.

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 23 ways as a sum of consecutive naturals, for example, 25766 + ... + 32334.

It is an arithmetic number, because the mean of its divisors is an integer number (8554140).

Almost surely, 2^190829450 is an apocalyptic number.

190829450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190829450 is an abundant number, since it is smaller than the sum of its proper divisors (219769270).

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

190829450 is a wasteful number, since it uses less digits than its factorization.

190829450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671 (or 6666 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 190829450 is about 13814.1033006127. The cubic root of 190829450 is about 575.7250588718.

The spelling of 190829450 in words is "one hundred ninety million, eight hundred twenty-nine thousand, four hundred fifty".