190471400 has 192 divisors, whose sum is σ = 549607680. Its totient is φ = 59904000.

The previous prime is 190471397. The next prime is 190471427. The reversal of 190471400 is 4174091.

It is a self number, because there is not a number n which added to its sum of digits gives 190471400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1261325 + ... + 1261475.

It is an arithmetic number, because the mean of its divisors is an integer number (2862540).

Almost surely, 2^190471400 is an apocalyptic number.

190471400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190471400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274803840).

190471400 is an abundant number, since it is smaller than the sum of its proper divisors (359136280).

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

190471400 is a wasteful number, since it uses less digits than its factorization.

190471400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 190471400 is about 13801.1376342677. The cubic root of 190471400 is about 575.3647591093.

The spelling of 190471400 in words is "one hundred ninety million, four hundred seventy-one thousand, four hundred".