61193893 has 8 divisors (see below), whose sum is σ = 63171200. Its totient is φ = 59233680.

The previous prime is 61193879. The next prime is 61193911. The reversal of 61193893 is 39839116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61193893 - 2¹³ = 61185701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61193833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208 + ... + 11518.

It is an arithmetic number, because the mean of its divisors is an integer number (7896400).

Almost surely, 2^61193893 is an apocalyptic number.

It is an amenable number.

61193893 is a deficient number, since it is larger than the sum of its proper divisors (1977307).

61193893 is a wasteful number, since it uses less digits than its factorization.

61193893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547.

The product of its digits is 34992, while the sum is 40.

The square root of 61193893 is about 7822.6525552398. The cubic root of 61193893 is about 394.0663587372.

The spelling of 61193893 in words is "sixty-one million, one hundred ninety-three thousand, eight hundred ninety-three".