61199486 has 4 divisors (see below), whose sum is σ = 91799232. Its totient is φ = 30599742.

The previous prime is 61199459. The next prime is 61199497. The reversal of 61199486 is 68499116.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15299870 + ... + 15299873.

It is an arithmetic number, because the mean of its divisors is an integer number (22949808).

Almost surely, 2^61199486 is an apocalyptic number.

61199486 is a deficient number, since it is larger than the sum of its proper divisors (30599746).

61199486 is a wasteful number, since it uses less digits than its factorization.

61199486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30599745.

The product of its digits is 93312, while the sum is 44.

The square root of 61199486 is about 7823.0100345072. The cubic root of 61199486 is about 394.0783639984.

The spelling of 61199486 in words is "sixty-one million, one hundred ninety-nine thousand, four hundred eighty-six".