61898200 has 192 divisors, whose sum is σ = 187488000. Its totient is φ = 18455040.

The previous prime is 61898191. The next prime is 61898237. The reversal of 61898200 is 289816.

It is a congruent number.

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, 345711 + ... + 345889.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 2^61898200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61898200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93744000).

61898200 is an abundant number, since it is smaller than the sum of its proper divisors (125589800).

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

61898200 is a wasteful number, since it uses less digits than its factorization.

61898200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 61898200 is about 7867.5409118733. The cubic root of 61898200 is about 395.5724222119.

The spelling of 61898200 in words is "sixty-one million, eight hundred ninety-eight thousand, two hundred".