61892244 has 54 divisors (see below), whose sum is σ = 161749770. Its totient is φ = 19954080.

The previous prime is 61892227. The next prime is 61892251. The reversal of 61892244 is 44229816.

It can be written as a sum of positive squares in only one way, i.e., 61027344 + 864900 = 7812^2 + 930^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61892199 and 61892208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33702 + ... + 35490.

Almost surely, 2^61892244 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 61892244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80874885).

61892244 is an abundant number, since it is smaller than the sum of its proper divisors (99857526).

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

61892244 is a wasteful number, since it uses less digits than its factorization.

61892244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1825 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 61892244 is about 7867.1623855111. The cubic root of 61892244 is about 395.5597341481.

The spelling of 61892244 in words is "sixty-one million, eight hundred ninety-two thousand, two hundred forty-four".