61239244 has 24 divisors (see below), whose sum is σ = 117186048. Its totient is φ = 27770640.

The previous prime is 61239239. The next prime is 61239251. The reversal of 61239244 is 44293216.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20749 + ... + 23515.

It is an arithmetic number, because the mean of its divisors is an integer number (4882752).

Almost surely, 2^61239244 is an apocalyptic number.

It is an amenable number.

61239244 is a deficient number, since it is larger than the sum of its proper divisors (55946804).

61239244 is a wasteful number, since it uses less digits than its factorization.

61239244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 3283 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 61239244 is about 7825.5507154449. The cubic root of 61239244 is about 394.1636826669.

The spelling of 61239244 in words is "sixty-one million, two hundred thirty-nine thousand, two hundred forty-four".