61340398 has 48 divisors (see below), whose sum is σ = 113568480. Its totient is φ = 24328512.

The previous prime is 61340393. The next prime is 61340399. The reversal of 61340398 is 89304316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61340393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267748 + ... + 267976.

It is an arithmetic number, because the mean of its divisors is an integer number (2366010).

Almost surely, 2^61340398 is an apocalyptic number.

61340398 is a deficient number, since it is larger than the sum of its proper divisors (52228082).

61340398 is a wasteful number, since it uses less digits than its factorization.

61340398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 61340398 is about 7832.0111082659. The cubic root of 61340398 is about 394.3805876981.

The spelling of 61340398 in words is "sixty-one million, three hundred forty thousand, three hundred ninety-eight".