61996286 has 24 divisors (see below), whose sum is σ = 102737712. Its totient is φ = 28036800.

The previous prime is 61996279. The next prime is 61996303. The reversal of 61996286 is 68269916.

61996286 = 88² + 89² + ... + 571².

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61996286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57791 + ... + 58853.

It is an arithmetic number, because the mean of its divisors is an integer number (4280738).

Almost surely, 2^61996286 is an apocalyptic number.

61996286 is a deficient number, since it is larger than the sum of its proper divisors (40741426).

61996286 is a wasteful number, since it uses less digits than its factorization.

61996286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1317 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 61996286 is about 7873.7720312440. The cubic root of 61996286 is about 395.7812577944.

The spelling of 61996286 in words is "sixty-one million, nine hundred ninety-six thousand, two hundred eighty-six".