196551400 has 48 divisors (see below), whose sum is σ = 469350540. Its totient is φ = 76492800.

The previous prime is 196551367. The next prime is 196551419. The reversal of 196551400 is 4155691.

It can be written as a sum of positive squares in 6 ways, for example, as 151634596 + 44916804 = 12314^2 + 6702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5881 + ... + 20680.

Almost surely, 2^196551400 is an apocalyptic number.

196551400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196551400 is an abundant number, since it is smaller than the sum of its proper divisors (272799140).

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

196551400 is a wasteful number, since it uses less digits than its factorization.

196551400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26614 (or 26605 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 196551400 is about 14019.6790262830. The cubic root of 196551400 is about 581.4227851834.

The spelling of 196551400 in words is "one hundred ninety-six million, five hundred fifty-one thousand, four hundred".