61000394 has 24 divisors (see below), whose sum is σ = 114629508. Its totient is φ = 24131520.

The previous prime is 61000349. The next prime is 61000417. The reversal of 61000394 is 49300016.

61000394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 60918025 + 82369 = 7805^2 + 287^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22667 + ... + 25214.

Almost surely, 2^61000394 is an apocalyptic number.

61000394 is a deficient number, since it is larger than the sum of its proper divisors (53629114).

61000394 is a wasteful number, since it uses less digits than its factorization.

61000394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47910 (or 47903 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 61000394 is about 7810.2748991313. The cubic root of 61000394 is about 393.6505658384.

The spelling of 61000394 in words is "sixty-one million, three hundred ninety-four", and thus it is an aban number.