61193406 has 16 divisors (see below), whose sum is σ = 123210000. Its totient is φ = 20260608.

The previous prime is 61193401. The next prime is 61193413. The reversal of 61193406 is 60439116.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61193401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33331 + ... + 35118.

It is an arithmetic number, because the mean of its divisors is an integer number (7700625).

Almost surely, 2^61193406 is an apocalyptic number.

61193406 is an abundant number, since it is smaller than the sum of its proper divisors (62016594).

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

61193406 is a wasteful number, since it uses less digits than its factorization.

61193406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68603.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61193406 is about 7822.6214276290. The cubic root of 61193406 is about 394.0653133670.

The spelling of 61193406 in words is "sixty-one million, one hundred ninety-three thousand, four hundred six".