61898234 has 8 divisors (see below), whose sum is σ = 92977248. Its totient is φ = 30905820.

The previous prime is 61898191. The next prime is 61898237. The reversal of 61898234 is 43289816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61898191 and 61898200.

It is not an unprimeable number, because it can be changed into a prime (61898237) 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 3 ways as a sum of consecutive naturals, for example, 19832 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (11622156).

Almost surely, 2^61898234 is an apocalyptic number.

61898234 is a deficient number, since it is larger than the sum of its proper divisors (31079014).

61898234 is a wasteful number, since it uses less digits than its factorization.

61898234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43300.

The product of its digits is 82944, while the sum is 41.

The square root of 61898234 is about 7867.5430726498. The cubic root of 61898234 is about 395.5724946397.

The spelling of 61898234 in words is "sixty-one million, eight hundred ninety-eight thousand, two hundred thirty-four".