61947238 has 8 divisors (see below), whose sum is σ = 95918400. Its totient is φ = 29974440.

The previous prime is 61947233. The next prime is 61947247. The reversal of 61947238 is 83274916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61947238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61947233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499513 + ... + 499636.

It is an arithmetic number, because the mean of its divisors is an integer number (11989800).

Almost surely, 2^61947238 is an apocalyptic number.

61947238 is a deficient number, since it is larger than the sum of its proper divisors (33971162).

61947238 is a wasteful number, since it uses less digits than its factorization.

61947238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999182.

The product of its digits is 72576, while the sum is 40.

The square root of 61947238 is about 7870.6567705624. The cubic root of 61947238 is about 395.6768569131.

The spelling of 61947238 in words is "sixty-one million, nine hundred forty-seven thousand, two hundred thirty-eight".