61398914 has 24 divisors (see below), whose sum is σ = 97230672. Its totient is φ = 29074760.

The previous prime is 61398907. The next prime is 61398919. The reversal of 61398914 is 41989316.

It is not an unprimeable number, because it can be changed into a prime (61398919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138377 + ... + 138819.

It is an arithmetic number, because the mean of its divisors is an integer number (4051278).

Almost surely, 2^61398914 is an apocalyptic number.

61398914 is a deficient number, since it is larger than the sum of its proper divisors (35831758).

61398914 is a wasteful number, since it uses less digits than its factorization.

61398914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 599 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 61398914 is about 7835.7459121643. The cubic root of 61398914 is about 394.5059549970.

The spelling of 61398914 in words is "sixty-one million, three hundred ninety-eight thousand, nine hundred fourteen".