61898968 has 16 divisors (see below), whose sum is σ = 116291160. Its totient is φ = 30888000.

The previous prime is 61898951. The next prime is 61898987. The reversal of 61898968 is 86989816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258 + ... + 11593.

Almost surely, 2^61898968 is an apocalyptic number.

It is an amenable number.

61898968 is a deficient number, since it is larger than the sum of its proper divisors (54392192).

61898968 is a wasteful number, since it uses less digits than its factorization.

61898968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378 (or 15374 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 55.

The square root of 61898968 is about 7867.5897198570. The cubic root of 61898968 is about 395.5740582226.

The spelling of 61898968 in words is "sixty-one million, eight hundred ninety-eight thousand, nine hundred sixty-eight".