61889214 has 16 divisors (see below), whose sum is σ = 131059728. Its totient is φ = 19416192.

The previous prime is 61889207. The next prime is 61889239. The reversal of 61889214 is 41298816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303277 + ... + 303480.

It is an arithmetic number, because the mean of its divisors is an integer number (8191233).

Almost surely, 2^61889214 is an apocalyptic number.

61889214 is an abundant number, since it is smaller than the sum of its proper divisors (69170514).

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

61889214 is a wasteful number, since it uses less digits than its factorization.

61889214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606779.

The product of its digits is 27648, while the sum is 39.

The square root of 61889214 is about 7866.9698105433. The cubic root of 61889214 is about 395.5532790283.

The spelling of 61889214 in words is "sixty-one million, eight hundred eighty-nine thousand, two hundred fourteen".