61393488 has 40 divisors (see below), whose sum is σ = 170801568. Its totient is φ = 18890112.

The previous prime is 61393483. The next prime is 61393517. The reversal of 61393488 is 88439316.

It is a happy number.

It is a super-2 number, since 2×61393488² = 7538320737612288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61393483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48570 + ... + 49817.

Almost surely, 2^61393488 is an apocalyptic number.

It is an amenable number.

61393488 is an abundant number, since it is smaller than the sum of its proper divisors (109408080).

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

61393488 is a wasteful number, since it uses less digits than its factorization.

61393488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98411 (or 98405 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 61393488 is about 7835.3996707252. The cubic root of 61393488 is about 394.4943334431.

The spelling of 61393488 in words is "sixty-one million, three hundred ninety-three thousand, four hundred eighty-eight".