61000386 has 48 divisors (see below), whose sum is σ = 131091456. Its totient is φ = 18918144.

The previous prime is 61000349. The next prime is 61000417. The reversal of 61000386 is 68300016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220080 + ... + 220356.

It is an arithmetic number, because the mean of its divisors is an integer number (2731072).

Almost surely, 2^61000386 is an apocalyptic number.

61000386 is an abundant number, since it is smaller than the sum of its proper divisors (70091070).

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

61000386 is a wasteful number, since it uses less digits than its factorization.

61000386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 61000386 is about 7810.2743869854. The cubic root of 61000386 is about 393.6505486297.

The spelling of 61000386 in words is "sixty-one million, three hundred eighty-six", and thus it is an aban number.