61398414 has 96 divisors (see below), whose sum is σ = 171325440. Its totient is φ = 15422400.

The previous prime is 61398401. The next prime is 61398427. The reversal of 61398414 is 41489316.

It is an interprime number because it is at equal distance from previous prime (61398401) and next prime (61398427).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42252 + ... + 43680.

It is an arithmetic number, because the mean of its divisors is an integer number (1784640).

Almost surely, 2^61398414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61398414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85662720).

61398414 is an abundant number, since it is smaller than the sum of its proper divisors (109927026).

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

61398414 is a wasteful number, since it uses less digits than its factorization.

61398414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1483 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 61398414 is about 7835.7140070322. The cubic root of 61398414 is about 394.5048841121.

The spelling of 61398414 in words is "sixty-one million, three hundred ninety-eight thousand, four hundred fourteen".