61859338 has 8 divisors (see below), whose sum is σ = 95296932. Its totient is φ = 30093696.

The previous prime is 61859333. The next prime is 61859339. The reversal of 61859338 is 83395816.

It can be written as a sum of positive squares in 2 ways, for example, as 60264169 + 1595169 = 7763^2 + 1263^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61859294 and 61859303.

It is not an unprimeable number, because it can be changed into a prime (61859333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417895 + ... + 418042.

Almost surely, 2^61859338 is an apocalyptic number.

61859338 is a deficient number, since it is larger than the sum of its proper divisors (33437594).

61859338 is a wasteful number, since it uses less digits than its factorization.

61859338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835976.

The product of its digits is 155520, while the sum is 43.

The square root of 61859338 is about 7865.0707561979. The cubic root of 61859338 is about 395.4896198375.

The spelling of 61859338 in words is "sixty-one million, eight hundred fifty-nine thousand, three hundred thirty-eight".