61099386 has 8 divisors (see below), whose sum is σ = 122198784. Its totient is φ = 20366460.

The previous prime is 61099327. The next prime is 61099391. The reversal of 61099386 is 68399016.

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

61099386 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091610 + ... + 5091621.

It is an arithmetic number, because the mean of its divisors is an integer number (15274848).

Almost surely, 2^61099386 is an apocalyptic number.

61099386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61099386 is a wasteful number, since it uses less digits than its factorization.

61099386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183236.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 61099386 is about 7816.6096231039. The cubic root of 61099386 is about 393.8633906739.

The spelling of 61099386 in words is "sixty-one million, ninety-nine thousand, three hundred eighty-six".