61338798 has 24 divisors (see below), whose sum is σ = 133146000. Its totient is φ = 20408544.

The previous prime is 61338793. The next prime is 61338803. The reversal of 61338798 is 89783316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61338793) and next prime (61338803).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61338791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7938 + ... + 13626.

It is an arithmetic number, because the mean of its divisors is an integer number (5547750).

Almost surely, 2^61338798 is an apocalyptic number.

61338798 is an abundant number, since it is smaller than the sum of its proper divisors (71807202).

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

61338798 is a wasteful number, since it uses less digits than its factorization.

61338798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296 (or 6293 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 61338798 is about 7831.9089626987. The cubic root of 61338798 is about 394.3771586669.

The spelling of 61338798 in words is "sixty-one million, three hundred thirty-eight thousand, seven hundred ninety-eight".