61236396 has 72 divisors (see below), whose sum is σ = 173977440. Its totient is φ = 18019584.

The previous prime is 61236379. The next prime is 61236403. The reversal of 61236396 is 69363216.

61236396 is a `hidden beast` number, since 6 + 12 + 3 + 639 + 6 = 666.

61236396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 61236396.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7920 + ... + 13608.

Almost surely, 2^61236396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61236396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86988720).

61236396 is an abundant number, since it is smaller than the sum of its proper divisors (112741044).

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

61236396 is a wasteful number, since it uses less digits than its factorization.

61236396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735 (or 5730 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 61236396 is about 7825.3687453052. The cubic root of 61236396 is about 394.1575722302.

The spelling of 61236396 in words is "sixty-one million, two hundred thirty-six thousand, three hundred ninety-six".