61004404 has 24 divisors (see below), whose sum is σ = 111315456. Its totient is φ = 29220000.

The previous prime is 61004369. The next prime is 61004467. The reversal of 61004404 is 40440016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10089 + ... + 14959.

It is an arithmetic number, because the mean of its divisors is an integer number (4638144).

Almost surely, 2^61004404 is an apocalyptic number.

It is an amenable number.

61004404 is a deficient number, since it is larger than the sum of its proper divisors (50311052).

61004404 is a wasteful number, since it uses less digits than its factorization.

61004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 61004404 is about 7810.5316080277. The cubic root of 61004404 is about 393.6591914886.

The spelling of 61004404 in words is "sixty-one million, four thousand, four hundred four".