61399316 has 12 divisors (see below), whose sum is σ = 117216960. Its totient is φ = 27908760.

The previous prime is 61399301. The next prime is 61399319.

61399316 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61399316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61399319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697676 + ... + 697763.

It is an arithmetic number, because the mean of its divisors is an integer number (9768080).

Almost surely, 2^61399316 is an apocalyptic number.

It is an amenable number.

61399316 is a deficient number, since it is larger than the sum of its proper divisors (55817644).

61399316 is a wasteful number, since it uses less digits than its factorization.

61399316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395454 (or 1395452 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 61399316 is about 7835.7715637964. The cubic root of 61399316 is about 394.5068159843.

The spelling of 61399316 in words is "sixty-one million, three hundred ninety-nine thousand, three hundred sixteen".