61483986 has 12 divisors (see below), whose sum is σ = 133215342. Its totient is φ = 20494656.

The previous prime is 61483979. The next prime is 61483987. The reversal of 61483986 is 68938416.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 24651225 = 6069^2 + 4965^2 .

It is not an unprimeable number, because it can be changed into a prime (61483987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1707871 + ... + 1707906.

Almost surely, 2^61483986 is an apocalyptic number.

61483986 is an abundant number, since it is smaller than the sum of its proper divisors (71731356).

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

61483986 is a wasteful number, since it uses less digits than its factorization.

61483986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415785 (or 3415782 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 61483986 is about 7841.1724888565. The cubic root of 61483986 is about 394.6880750589.

The spelling of 61483986 in words is "sixty-one million, four hundred eighty-three thousand, nine hundred eighty-six".