61408206 has 40 divisors (see below), whose sum is σ = 143591184. Its totient is φ = 19578240.

The previous prime is 61408189. The next prime is 61408211. The reversal of 61408206 is 60280416.

61408206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 61408206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4515 + ... + 11966.

Almost surely, 2^61408206 is an apocalyptic number.

61408206 is an abundant number, since it is smaller than the sum of its proper divisors (82182978).

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

61408206 is a wasteful number, since it uses less digits than its factorization.

61408206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16518 (or 16509 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 61408206 is about 7836.3388135021. The cubic root of 61408206 is about 394.5258552645.

The spelling of 61408206 in words is "sixty-one million, four hundred eight thousand, two hundred six".