61238416 has 10 divisors (see below), whose sum is σ = 118649462. Its totient is φ = 30619200.

The previous prime is 61238413. The next prime is 61238417. The reversal of 61238416 is 61483216.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56310016 + 4928400 = 7504^2 + 2220^2 .

It is not an unprimeable number, because it can be changed into a prime (61238413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1913685 + ... + 1913716.

Almost surely, 2^61238416 is an apocalyptic number.

It is an amenable number.

61238416 is a deficient number, since it is larger than the sum of its proper divisors (57411046).

61238416 is a wasteful number, since it uses less digits than its factorization.

61238416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827409 (or 3827403 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 61238416 is about 7825.4978116411. The cubic root of 61238416 is about 394.1619061971.

The spelling of 61238416 in words is "sixty-one million, two hundred thirty-eight thousand, four hundred sixteen".