61884923 has 4 divisors (see below), whose sum is σ = 62933880. Its totient is φ = 60835968.

The previous prime is 61884899. The next prime is 61884971. The reversal of 61884923 is 32948816.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61884923 - 2²⁴ = 45107707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61884983) 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, 524390 + ... + 524507.

It is an arithmetic number, because the mean of its divisors is an integer number (15733470).

Almost surely, 2^61884923 is an apocalyptic number.

61884923 is a deficient number, since it is larger than the sum of its proper divisors (1048957).

61884923 is a wasteful number, since it uses less digits than its factorization.

61884923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048956.

The product of its digits is 82944, while the sum is 41.

The square root of 61884923 is about 7866.6970832745. The cubic root of 61884923 is about 395.5441371104.

It can be divided in two parts, 6188 and 4923, that added together give a palindrome (11111).

The spelling of 61884923 in words is "sixty-one million, eight hundred eighty-four thousand, nine hundred twenty-three".