61406598 has 32 divisors (see below), whose sum is σ = 138304512. Its totient is φ = 18007200.

The previous prime is 61406593. The next prime is 61406599. The reversal of 61406598 is 89560416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61406593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12961 + ... + 17052.

It is an arithmetic number, because the mean of its divisors is an integer number (4322016).

Almost surely, 2^61406598 is an apocalyptic number.

61406598 is an abundant number, since it is smaller than the sum of its proper divisors (76897914).

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

61406598 is a wasteful number, since it uses less digits than its factorization.

61406598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30060.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 61406598 is about 7836.2362138976. The cubic root of 61406598 is about 394.5224116253.

The spelling of 61406598 in words is "sixty-one million, four hundred six thousand, five hundred ninety-eight".