61338994 has 8 divisors (see below), whose sum is σ = 92351340. Its totient is φ = 30555216.

The previous prime is 61338983. The next prime is 61339001. The reversal of 61338994 is 49983316.

It can be written as a sum of positive squares in 2 ways, for example, as 44422225 + 16916769 = 6665^2 + 4113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61338994.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56469 + ... + 57544.

Almost surely, 2^61338994 is an apocalyptic number.

61338994 is a deficient number, since it is larger than the sum of its proper divisors (31012346).

61338994 is a wasteful number, since it uses less digits than its factorization.

61338994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114284.

The product of its digits is 139968, while the sum is 43.

The square root of 61338994 is about 7831.9214756023. The cubic root of 61338994 is about 394.3775787264.

The spelling of 61338994 in words is "sixty-one million, three hundred thirty-eight thousand, nine hundred ninety-four".