196434590 has 16 divisors (see below), whose sum is σ = 385726320. Its totient is φ = 71430720.

The previous prime is 196434587. The next prime is 196434599. The reversal of 196434590 is 95434691.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196434599) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 892775 + ... + 892994.

It is an arithmetic number, because the mean of its divisors is an integer number (24107895).

Almost surely, 2^196434590 is an apocalyptic number.

196434590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196434590 is a deficient number, since it is larger than the sum of its proper divisors (189291730).

196434590 is a wasteful number, since it uses less digits than its factorization.

196434590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785787.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 196434590 is about 14015.5124772518. The cubic root of 196434590 is about 581.3075829952.

The spelling of 196434590 in words is "one hundred ninety-six million, four hundred thirty-four thousand, five hundred ninety".