61246404 has 18 divisors (see below), whose sum is σ = 154817390. Its totient is φ = 20415456.

The previous prime is 61246403. The next prime is 61246411. The reversal of 61246404 is 40464216.

61246404 is a `hidden beast` number, since 6 + 12 + 4 + 640 + 4 = 666.

61246404 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 only one way, i.e., 33177600 + 28068804 = 5760^2 + 5298^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×61246404² = 7502244005862432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61246403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 850609 + ... + 850680.

Almost surely, 2^61246404 is an apocalyptic number.

It is an amenable number.

61246404 is an abundant number, since it is smaller than the sum of its proper divisors (93570986).

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

61246404 is a wasteful number, since it uses less digits than its factorization.

61246404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701299 (or 1701294 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 61246404 is about 7826.0081778644. The cubic root of 61246404 is about 394.1790437426.

The spelling of 61246404 in words is "sixty-one million, two hundred forty-six thousand, four hundred four".