61923456 has 144 divisors (see below), whose sum is σ = 207472590. Its totient is φ = 17676288.

The previous prime is 61923443. The next prime is 61923467. The reversal of 61923456 is 65432916.

It is a happy number.

61923456 is a `hidden beast` number, since 619 + 2 + 34 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 4769856 = 7560^2 + 2184^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61923456.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55900 + ... + 56996.

Almost surely, 2^61923456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61923456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103736295).

61923456 is an abundant number, since it is smaller than the sum of its proper divisors (145549134).

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

61923456 is a wasteful number, since it uses less digits than its factorization.

61923456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1109 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 61923456 is about 7869.1458240396. The cubic root of 61923456 is about 395.6262160142.

The spelling of 61923456 in words is "sixty-one million, nine hundred twenty-three thousand, four hundred fifty-six".